envelope句子

1. 信封
2. 壳层，外壳
3. 封皮，封套，套子
4. 【空】气囊
5. 包迹
6. 包被，包封
7. 塑料封套，塑料封皮，塑胶封套
8. 纸袋，封袋
9. 【数】包（络）线
10. 【天】包层
11. 【生】包膜
12. 包

1. 笼罩，罩住
2. 萦绕
3. 吞没
4. 禁锢
5. 包围
6. 包裹，裹着
7. 抓住
8. 包封

1. a flat (usually rectangular) container for a letter, thin package, etc.
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 (especially an aircraft);

   "test pilots try to push the envelope"
   

6. the bag containing the gas in a balloon

1. 包膜：后发现该病毒也可存在于其他疾病,故称为EB病毒(Epsteinbarr virus,EBV),EB病毒属疱疹病毒科,又称人疱疹病毒4型(HHV-4),为双链DNA病毒,完整的病毒颗粒由类核(nucleoid),膜壳(capsid),壳微粒(capsomere),包膜(envelope)所组成,类核含有病毒DNA;

2. 外壳：汉他病毒属RNA型病毒,病毒呈圆形或卵圆形(如图一),直径约80-115(95)nm,核外被含有脂质之外壳(envelope)所包围,外壳表面有突起,病毒在细胞质内增殖时可产生大量之特殊包涵体.

3.envelope：env; 发现被膜抗原

1. The old man was quite surprised to find a ten-yuan note in the envelope.
   老人十分吃惊地发现信封里装着10元钱。
2. Write the address on the envelope.
   请将地址写在信封上。
3. He glanced at the envelope and recognized his uncle's handwriting.
   他看了一眼信封,认出那是他叔父的笔迹。
4. Addressing envelopes all the time is dreary work.
   老是往信封上写地址是件乏味的工作。
5. Address an envelope and put the letter in it.
   把地址写在信封上,把信装进去。
6. 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。
7. The stamp didn't stick to the envelope.
   邮票没有在信封上贴牢。
8. She opened the envelope with reluctance.
   她极不情愿地打开了信封。
9. He knew it was a bank envelope.
   他知道这是一个银行的封袋。

• Goodbye, brothers: your mortal envelopes lie here in Mother Earth.

  出自：H. Williamson

• A 225 grain round nosed bullet with a cupro nickel envelope.

  出自：Guns Review

1. envelope的基本意思是“信封”,也可指“封袋”,是可数名词,有复数形式。