英 [kræk] 美 [kræk]
v. 破裂，裂开；崩溃，垮掉；砸开，砸碎；破译，解决；重击，猛击；（使）发出爆裂声，劈啪作响；（嗓音）变嘶哑；说（笑话），开（玩笑）；阻止，打击；开瓶，（尤指）开瓶饮酒；使（碳氢化合物）裂化
n. 裂缝，裂纹；缝隙，窄缝；瑕疵，缺点；爆裂声，噼啪声；尝试，试图；破解信息，破解码；俏皮话，粗鲁的话；重击，猛击；好时光，友好愉快的交谈；嗓音变哑；强效可卡因；<非正式>股沟
adj. 优秀的，训练有素的
【名】 （Crack）（英、美、加）克拉克克（人名）
复数cracks
第三人称单数cracks
现在分词cracking
过去式cracked
过去分词cracked
crack /kræk/ CET4 TEM4 [ cracking cracked cracks ]
及物动词/不及物动词 If something hard cracks, or if you crack it, it becomes slightly damaged, with lines appearing on its surface. 使…破裂; 破裂
A gas main had cracked under my neighbour's garage and gas had seeped into our homes.
邻居家车库下的煤气主管道破裂了，煤气渗漏进我们家。
及物动词/不及物动词 If something cracks, or if you crack it, it makes a sharp sound like the sound of a piece of wood breaking. 使…噼啪作响; 发出辟裂声
Thunder cracked in the sky.
空中雷声炸响。
及物动词 If you crack a hard part of your body, such as your knee or your head, you hurt it by accidentally hitting it hard against something. 撞击
He cracked his head on the pavement and was knocked cold.
他的头撞着了路面，撞昏了。
及物动词 When you crack something that has a shell, such as an egg or a nut, you break the shell in order to reach the inside part. 叩开
Crack the eggs into a bowl.
把鸡蛋打到碗中。
及物动词 If you crack a problem or a code, you solve it, especially after a lot of thought. 破解 (难题、密码)
He has finally cracked the system after years of painstaking research.
经过数年的艰苦研究，他最终破译了该系统。
不及物动词 If someone cracks, they lose control of their emotions or actions because they are under a lot of pressure. (精神) 垮掉
She's calm and strong, and she is just not going to crack.
她冷静而坚强，决不会垮掉的。
不及物动词 If your voice cracks when you are speaking or singing, it changes in pitch because you are feeling a strong emotion. (嗓音) 突然变化
Her voice cracked and she began to cry.
她失声哭了起来。
及物动词 If you crack a joke, you tell it. 说 (笑话)
He drove a Volkswagen, cracked jokes, and talked about beer and girls.
那时他开着一辆大众牌汽车，讲着笑话，谈论着啤酒和女孩。
crack /kræk/
可数名词 A crack is a very narrow gap between two things, or between two parts of a thing. 裂缝
Kathryn had seen him through a crack in the curtains.
凯瑟琳曾从帘子的裂缝看到过他。
可数名词 A crack is a line that appears on the surface of something when it is slightly damaged. 裂纹
The plate had a crack in it.
这盘子上有条裂纹。
单数型名词 If you open something such as a door, window, or curtain a crack, you open it only a small amount. 缝隙
He went to the door, opened it a crack, and listened.
他走到门边，把门打开一条缝，听了起来。
A crack is a sharp sound, like the sound of a piece of wood breaking. 爆裂声
Suddenly there was a loud crack and glass flew into the car.
突然一阵巨大的爆裂声，碎玻璃飞溅进了车内。
不可数名词 Crack is a very pure form of the drug cocaine. 强效纯可卡因
形容词 A crack soldier or sportsman is highly trained and very skilful. 训练有素的
...a crack undercover police officer.
…一名训练有素的卧底警察。
可数名词 A crack is a slightly rude or cruel joke. (挖苦人的) 笑话
Tell Tracy you're sorry for that crack about her weight.
告诉特蕾西你对那个有关她体重的玩笑感到抱歉。
make a very sharp explosive sound
His gun cracked
make a sharp sound
同义词： snap
hit forcefully; deal a hard blow, making a cracking noise
The teacher cracked him across the face with a ruler
pass through (a barrier)
Registrations cracked through the 30,000 mark in the county
同义词： break through
break partially but keep its integrity
The glass cracked
break suddenly and abruptly, as under tension
同义词： snap
tell spontaneously
crack a joke
cause to become cracked
heat and light cracked the back of the leather chair
reduce (petroleum) to a simpler compound by cracking
break into simpler molecules by means of heat
The petroleum cracked
开裂-引用次数：383
裂纹-引用次数：352
The relations between crack growth and earthquake process are also briefly discussed.
对裂纹扩展与地震孕震过程的关系也作了初步探讨。
抗裂-引用次数：292
In the initial stages, the heat produced in the concrete wall and the additions’ influences are considered in crack resistance.
在初期的抗裂分析中还考虑了池壁混凝土水化热与外加膨胀剂的综合作用。
裂纹-引用次数：1317
addition is superior to that of other alloys,during crack initiating and propagating.
的合金不论在裂纹萌生阶段还是裂纹扩展阶段,其热疲劳抗力都优于其它成分的合金。
参考来源期刊学术社区
裂隙-引用次数：126
In use of joint crack? s generating data which is from the situ test, it simulates joint rock mass a joint network; if makes the simulated result as the basis of dividing DEM lattice, cOmbining with thereal problems.
利用现场实测节理裂隙（地质结构面）产状数据，对节理岩体作节理网络模拟，以节理网络模拟结果作为离散元网格划分依据，与实际问题紧密相结合。
开裂-引用次数：109
Sol-gel showed that the sulfate film treated by sol-gel incline to crack extremely after heating, and the more times the more cracks while the phosphate film raised did not occur to crack.
而经溶胶-凝胶法封闭处理后的磷酸氧化膜在加热后,表面未发生开裂。
开裂-引用次数：215
Deformation under periodic vehicle load directly relates to permanent deformation and fatigue crack of asphalt pavement.
周期性轮载作用下的变形量直接关系到沥青路面的永久变形和疲劳开裂。
参考来源沥青路面层间剪力及变形性能研究
破碎-引用次数：6
参考来源淀粉微细化处理及其糊化特性研究
入侵-引用次数：7
The development of the network has bring tremendous convenience to people's living and work, on the other hand, the illegal network intrusion has also put forward a hard nut to crack to provide the safety of information .
网络的发展一方面给人们生活工作带来了极大的便利,另一方面,非法的网络入侵行为也为信息的安全性提出了难题。
参考来源自适应分层的免疫系统
非法侵入(计算机系统)：
非法侵入：
裂化；分馏
破解-引用次数：3
参考来源生态矛盾的哲学探析
裂解-引用次数：2
The results showed that the most suitable technics of intermission crack method were followed: when the material was transparent waste plexiglas, the average size of particle was about 10 millmeters and the main controlling temperature was 223 ?
实验结果表明间歇裂解时的最佳工艺条件为：以无色透明有机玻璃碎片为裂解原料，裂解原料的平均粒子大小为10mm左右，裂解时应主控反应温度为223±3℃，待在此温度范围内的裂解液很少时，再采用升温直至反应终点。
打击-引用次数：1
裂缝
破裂
2.3 顶点“裙摆法”与裂缝消除 裂缝（Cracking）是批LOD地形绘制算法中必须解决的问 题。
...y）： 虽然天然翡翠难免会有瑕疵，但作为评判标准，杂质自然是越少越好，翡翠内部越干净越纯粹，翡翠的价值越高。 裂纹（Crack）： 翡翠的裂纹跟其他瑕疵不同，它对翡翠价值的影响是致命的，因为它不仅影响翡翠的美观度，还让翡翠存在断裂的危险，因而它会严重...
大家看到界面是不是感觉很熟悉，没错，这个界面和我们之前更新的用来检测SSD固态硬盘健康状态的工具SSDLife Pro 破解版(Crack) 很相似，估计是系出同门啊，如果你的是SSD固态硬盘，可以试试SSDLife Pro 破解版(Crack) 这款！
混凝土的施工温度与裂痕控制的领会-土木工程毕业论文-毕业论文网 关键词】混凝土;温度应力;裂痕;控制 [gap=407]Key words】Concretes; Temperature stress; Crack; Control
The ice started to crack.
冰开始裂了。
Water seeped from a crack in the pipe.
水从管道的一个裂缝中渗出。
She peeped through the crack in the curtains.
她透过窗帘的缝隙窥视。
After his crack-up,however, he discovered he was no longer welcome at the magazines that had paid him well.
VOA : special.2010.11.28
So, here's the reading. So, for example today, there is a vision statement, administrative details and I'm going to get a little bit of teaching towards the end. And, if you wanted to, you could crack the book and look at chapter one.
这是阅读材料，例如说，今天，有一个远景说明，行政管理的细节,末尾的时候我会讲一些教学的内容,如果你们想要的话，你可以打开那本书，翻到第一章。
固态化学导论课程节选 : 麻省理工公开课
So, it frees you from some of Apple's tethers and this was the code that circulated on the Internet iPhone with which people could crack their iPhones.
这样我们就从苹果的约束下解放出来,这些代码是在网站上流通的,使用它们可能损坏你们的。
计算机科学课程节选 : 哈佛公开课
And we do. Cracking jokes,grins, Long past the crack of dawn Like"How long will you be up?"
VOA : special.2009.04.17
When I had waited a long time, without hearing him lie down, I decided to open a little -- a very,very little -- crack in the lantern.
VOA : special.2009.05.16
Regardless, listen up, BPP universe, because it's time to crack open the BPP Jukebox.
Once you open the window a crack, you're gonna have to throw open the doors eventually.
Did she, he wondered, fancy a crack at becoming Britain's first woman prime minister?
crack,最直接的意为密钥、猜测数字密码，cracker,设计及探究者、探索者