英 [ræt] 美 [ræt]
n. 老鼠；<非正式>卑鄙小人（尤指欺诈或变节者）；<非正式> 常客，常待在某处的人；<美>（为头发定型做出饱满效果的）女用发垫
v. 捕（捉）老鼠，灭鼠；<非正式> 告发，告密；<非正式> 背信弃义，食言；<美>用发垫给（头发）定型
int. （rats） <非正式>胡说，去你的（用以表示轻度烦恼，恼怒）
【名】 （Rat）（法、意、印、瑞典）拉特，（泰）叻（人名）
复数rats
第三人称单数rats
现在分词ratting
过去式ratted
过去分词ratted
rat /ræt/ CET4 TEM4 [ ratting ratted rats ]
可数名词 A rat is an animal which has a long tail and looks like a large mouse. 老鼠
This was demonstrated in a laboratory experiment with rats.
这点通过在实验室中用老鼠做试验得到证明。
可数名词 If you call someone a rat, you mean that you are angry with them or dislike them, often because they have cheated you or betrayed you. 卑鄙小人
What did you do with the gun you took from that little rat Turner?
你要用从卑鄙小人特纳那里弄来的那支枪干什么呢？
不及物动词 If someone rats on you, they tell someone in authority about things that you have done, especially bad things. 告发
They were accused of encouraging children to rat on their parents.
他们被指控怂恿孩子们告发他们的父母。
不及物动词 If someone rats on an agreement, they do not do what they said they would do. 违约
She claims he ratted on their divorce settlement.
她声称他违背了他们的离婚协议。
习语 If you smell a rat, you begin to suspect or realize that something is wrong in a particular situation, for example that someone is trying to deceive you or harm you. 感觉事情不妙
If I don't send a picture, he will smell a rat.
如果我不寄张照片，他会起疑心。
any of various long-tailed rodents similar to but larger than a mouse
someone who works (or provides workers) during a strike
同义词： scab / strikebreaker / blackleg
a pad (usually made of hair) worn as part of a woman's coiffure
desert one's party or group of friends, for example, for one's personal advantage
employ scabs or strike breakers in
give (hair) the appearance of being fuller by using a rat
catch rats, especially with dogs
大鼠
耗子
鼠
老鼠
送受话器 (receiver and transmitter)
收发信机
... rainy adj.下雨的；多雨的raise v.筹集 rat n.老鼠；大家鼠 rather adv.（=than）胜于*reach v.达到；延伸 ...
兴奋性氨基酸及其受体阻滞剂在脑缺血性大鼠海马损伤中的作用_医网打尽文献搜索 关键词：脑缺血；氨基酸，兴奋性；MK-801；形态学；大鼠 [gap=1194]Keywords：ischemia; EAA; MK-801; morphology; rats
...导语：老鼠（rat）是一种啮齿动物，体形有大有小以下是小编整理关于鼠的贬义词的资料，欢迎阅读参考。
...常在墙旮旯里左瞧右看，确感安全方才出洞，活动鬼鬼祟祟 出洞时两只前爪在洞边一爬、觅食，需与鼠类区别：毛色灰老鼠（rat）是一种啮齿动物：体形比褐家鼠小，它会长时间回避此地，不敢向前。
He held his breath as a rat scuttled past.
见一只老鼠跑过，他屏住了呼吸。
The brown rat has prominent ears and a long scaly tail.
灰鼠长着两只突出的耳朵和一条带鳞片的长尾巴。
Mr. Rat, Mr. Rat, I'm near the river.
老鼠先生，老鼠先生，我在河边。
They look almost like a cross between a rat and a porcupine.
VOA : special.2010.12.28
This is a normal weight laboratory rat given much more than it would-- could necessarily eat of standard laboratory food.
这是一只体重正常的实验鼠,如果我们给它标准的实验室饲料,即使食物分量超出了它的食量
关于食物的心理学、生物学和政治学课程节选 : 耶鲁公开课
But precisely, the human part of you is going to rebel at the unending parade of simple rat-like pleasures.
更确切地，你的人性会反抗,一股股永无止尽的单调的老鼠般的快感。
死亡课程节选 : 耶鲁公开课
"As a union we have been smelling a rat, because if this money was from the donor community, we knew that the money was coming in good time.
VOA : standard.2010.03.04
You have rat infestations. You can't go outside.
VOA : standard.2010.05.06
At the preserve pond, my occasional swim was observed by a slick, slime-covered rat-tailed muskrat.
Henke found out, much to his delight, that Springsteen is something of a pack rat.
FORBES: On the Streets of Philadelphia: Constitution Center Hosts Bruce Springsteen Exhibit
The outbreak in "Medicine Rat, " as some local media quickly dubbed it, triggered a full-scale offensive.
WSJ: In Alberta, Citizens Smell a Rat After Long-Banned Rodents Appear
"rat"是个多义词，它可以指rat（英语单词）,rat（反向竞价的缩写）,rat（病毒木马）,rat（通信术语）,rat（气涡轮缩写）,rat（一种测试潜能方法的缩写）。