英 [ˈsiːlɪŋ] 美 [ˈsiːlɪŋ]
n. 猎捕海豹；封闭；密封
v. 系紧，封牢；快速煎炸；加封，盖印；达成，确保（seal 的现在分词）
seal /siːl/ CET4 [ sealing sealed seals ]
及物动词 When you seal an envelope, you close it by folding part of it over and sticking it down, so that it cannot be opened without being torn. 封 (信封)
He sealed the envelope and put on a stamp.
他封好信封，贴了张邮票。
Write your letter and seal it in a blank envelope.
写好你的信，然后将其封入一个空信封。
及物动词 If you seal a container or an opening, you cover it with something in order to prevent air, liquid, or other material from getting in or out. If you seal something in a container, you put it inside and then close the container tightly. 封 (容器、开口); 将 (某物) 封入 (某容器中)
She filled the containers, sealed them with a cork, and stuck on labels.
她装满那些容器，用塞子封了口，然后贴上了标签。
A woman picks them up and seals them in plastic bags.
一位女士拣起它们，然后把它们封入各塑料袋中。
可数名词 The seal on a container or opening is the part where it has been sealed. (容器、开口等) 封了的部分
When assembling the pie, wet the edges where the two crusts join, to form a seal.
捏合馅饼时，弄湿两块面皮封合的边缘，以形成一个封口。
可数名词 A seal is a device or a piece of material, for example, in a machine, which closes an opening tightly so that air, liquid, or other substances cannot get in or out. (机器上防止气体或液体渗入或露出的) 密封装置
Check seals on fridges and freezers regularly.
定期检查冰箱和冰柜的密封装置。
可数名词 A seal is something such as a piece of sticky paper or wax that is fixed to a container or door and must be broken before the container or door can be opened. (封条、封蜡等) 封口物
The seal on the box broke when it fell from its hiding-place.
盒子从隐藏处掉下时上面的封口破了。
可数名词 A seal is a special mark or design, for example, on a document, representing someone or something. It may be used to show that something is genuine or officially approved. 印章
...a supply of note paper bearing the presidential seal.
…一批盖有总统印章的便条纸。
及物动词 If someone in authority seals an area, they stop people entering or passing through it, for example, by placing barriers in the way. 封锁 (某地区)
The soldiers were deployed to help paramilitary police seal the border.
这些士兵们被调去协助准军事警察封锁边境。
动词词组 Seal off means the same as . 封锁 (某地区)
Police and troops sealed off the area after the attack.
警察和军队在袭击发生后封锁了该地区。
及物动词 To seal something means to make it definite or confirm how it is going to be. 确定
McLaren are close to sealing a deal with Renault.
麦克拉伦即将和雷诺尔特达成一笔交易。
A general election will be held which will seal his destiny one way or the other.
一场将左右他命运的大选即将举行。
及物动词 to affix a seal to, as proof of authenticity 加封印(以示真伪)
seal /siːl/
可数名词 A seal is a large animal with a rounded body and flat legs called flippers. Seals eat fish and live in and near the sea, usually in cold parts of the world. 海豹
动词 to hunt for seals 猎取海豹
the act of treating something to make it repel water
同义词： waterproofing
密封-引用次数：324
The transient sealing design method of the flange based on the tightness was put forward and programmed.
4.提出基于紧密度的法兰瞬态密封设计方法并编程实现。
密封件
封
密封-引用次数：101
A structure of incline plane shoulder has been designed to improve the sealing performance of the joint and it improved the sealing ability effectively compared with the API joint.
为了进一步提高接头的密封能力,设计了一种斜面台肩结构来改善钻杆接头的密封性能,与API结构相比有效的提高了密封性能。
封闭-引用次数：32
The results indicated yttrium was introduced into the anodic film by yttrium salt sealing.
结果表明,通过硫酸钇脉冲封闭,可以将钇元素引入到氧化膜中。
封孔-引用次数：21
It was found that there were pitting corrosion on microarc oxidation aluminum alloy and the pitting was reduced after sealing treatment.
试验发现,微弧氧化后,铝合金在海水中的腐蚀形貌为点蚀,封孔处理可明显抑制点蚀的发生,厚度变化对耐蚀性影响不大。
止水
封闭-引用次数：67
Objective：To explore the nursing point of infective traumatic surface treated by vaccum sealing drainage technique.
目的：探索负压封闭引流技术治疗损伤感染创面的护理要点。
封管-引用次数：8
Objective: to find out a simple, feasible way of sealing up venous indwelling needle for children which can also suit to the characteristics of children.
目的 :寻找一种简单、可行、适合儿科特点的静脉留置针封管方法。
封接-引用次数：20
Low-melting sealing glass and rare-earth doped bismuth borate glass are the important systems of advanced borate glasses.
低熔点封接玻璃以及稀土掺杂铋硼酸盐玻璃是近年来新型硼酸盐功能玻璃研究的热点。
封接-引用次数：16
With the glass frit sealing-in technique, the packaging and test of the triode field emission display device were studied.
借助玻璃粉封接技术,研究了三极结构场致发射显示器件(FED)的封装和测试。
参考来源高亮度三极CNT
封口-引用次数：2
参考来源新型聚合物锂离子电池的研制
密封
封固
封接
封闭
止水
封罐
铍青铜零件电镀金工艺 关键词：铍青铜；电镀金；封闭 [gap=889]Keywords：beryllium bronze；gold electroplating；sealing
... 任务温度Operating Temperature 封装Sealing: 带规范1000mAh锂离子电池With Standard 1000mAh Li-POLY battery ...
现代密封领域中的新技术材料，中国聚合物网,科学研究 Key words：material；new technology；sealing [gap=58]关键词：材料；新技术；密封
Make sure you've signed the cheque before sealing the envelope.
一定要在支票上签了名再封信封。
Your kit should be waterproof; however, sealing your supplies inside of zipper baggies is usually the job all you need to do.
你的急救工具箱必须是防水的；不过，你通常需要做的工作就是密封拉链袋里面的用品。
The greatest single advance began in 1800 when a Frenchman, Nicolas Appert, discovered that he could preserve certain foods by sealing them in jars and keeping the air from them.
最大的进步开始于1800年，当时法国人尼古拉斯·阿佩尔发现，他可以把某些食物密封在罐子里，不让空气进入。
The mile-deep well was pronounced dead in September when workers completed sealing it off.
Another misjudged performance by Mr Obama could indeed come close to sealing his fate.
Russia also went to a decider against Japan before sealing a semifinal clash with Slovakia.