envelope
envelope
英[ˈenvələʊp]美[ˈenvəloʊp]
n.信封，封皮，包裹物；
复数：envelopes;
例句
Although I moistened it,the flap doesn’t stick to the envelope.我把信封弄湿了,可是信封口盖还是粘不上。
I folded the letter and then put it into the envelope.我把信折好后放进信封里。
Address an envelope and put the letter in it.把地址写在信封上, 把信装进信封里。
He deftly folded the typed sheets and replaced them in the envelope.他灵巧地将打有字的纸折好重新放回信封 。
Please write down your name on the reverse side of the envelope.请在信封的背面写下你的名字.
Mr. Rohmbauer counted out the money and put it in an envelope.罗姆保先生把钱数好放在了一个信封里。
Allan licked the postage stamp and stuck it on the envelope.阿伦舔了舔邮票,把它贴在信封上.
The outer envelope not bear any identification of the tenderer.而外信封上不能有任何涉及投标者的信息.
You should write your home address on the envelope gaskets.你得把你们家的地址写在信封上.
The little dressmaker bought an envelope of nasturtium seeds at the florists.那个个子矮小的女裁缝在花铺里买了一包金莲花种子.
英语六级真题
When a tree first starts growing in a certain area, it's likely that the 27 climatic envelope—the temperature, humidity, rainfall patterns and so on—suits it.
2016年12月六级真题（第一套）阅读 Section A柯林斯高阶英汉双解学习词典释义
N-COUNT
信封
An envelope is the rectangular paper cover in which you send a letter to someone through the post.
PHRASE
挑战限制尺度；突破原有底线
If someone pushes the envelope, they do something to a greater degree or in a more extreme way than it has ever been done before.
例句
There's a valuable place for fashion and design that pushes the envelope a bit...在原有尺度上有所突破的时尚和设计受到人们的重视。No cinema director had a more profound effect in pushing the envelope of acceptable family entertainment.在挑战家庭娱乐片的接受程度方面，没有哪个电影导演比他的影响更深远。英汉词典释义
n.
信封
Address an envelope and put the letter in it.把地址写在信封上, 把信装进信封里。塑料封套；塑料封皮； 塑胶封套
塑料封套；塑料封皮； 塑胶封套
英英词典释义
Noun
1. a flat rectangular paper container for papers
2. any wrapper or covering
3. a curve that is tangent to each of a family of curves
4. a natural covering (as by a fluid);
"the spacecraft detected an envelope of gas around the comet"5. the maximum operating capability of a system;
"test pilots try to push the envelope"6. the bag containing the gas in a balloon
行业词典
医学： 包膜：包封结构或膜，病*学中为围绕壳体的外衣，通常至少部分是由宿主细胞构成的。在细菌学中则兼指细胞壁与质膜；
昆虫学： 发育膜；囊膜；被膜；外膜；
生物学： 包膜；又称 :包膜(peplos )；
电力： 包络线；［curve］；
电子学： 包络；
