envelope

名词信封，封皮; 壳层，外壳; 包裹物; [生物学]膜，包袋

名词

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. 信封
    An envelope is the rectangular paper cover in which you send a letter to someone through the post.

2. envelope

2. 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.

    e.g. 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。
    e.g. 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。

1. Achieving the vision requires strong political leadership and collective resolve to push the envelope of reforms and openness with trial and error.

2. The showpieces included not only commemorative stamps and special envelope covers but also pictures, gloves and facial masks.

3. If you have a schoolmate who is scraping by, you can couch your compassion in a little red envelope.

4. He said the composition of the powder found in the envelope was not immediately known, and that he did not know to whom the parcel was addressed.

5. A courier would be sent to a dinner guest's home delivering a very large red envelope containing a very large red card.

6. envelope什么意思

6. The spring roll is then tightly wrapped up like a cylindrical envelope.

7. Yang later said he deserved all four top prizes but had made a mistake in secretly changing an envelope containing the winning number.

8. " The Grammys always push the envelope with fashion and that's what I'm doing, " Hatcher said as she went into the Los Angeles ceremony.

9. envelope是什么意思

9. The tank fell harmlessly to the ground, and the drifting envelope was eventually found about 15 miles away.

10. 911查询·英语单词

10. As the eldest of three daughters, my wife had to contribute the fattest red envelope at her sister's banquet.

noun