envelope怎么读

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

• address an envelope在信封上写地址
• fold an envelope将信封折起来
• open an envelope拆开信封
• stamp the envelope把邮戳印盖在信封上
• tear an envelope open把信封撕开

• self-addressed envelope写明姓名和地址的回信信封

• airmail envelope航空信封
• pay envelope工资袋
• window envelope开窗信封

• a packet of envelope一叠信封
• on the envelope信封上

• 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

• ☆ 1705年进入英语，直接源自古法语的enveloppe，意为包信的纸袋。