信封的英文是什么？
答：信封的英文是 "envelope"。以下是英文单词 "envelope"的详细释义：
envelope是什么意思
音标: 英 [ˈenvələup] 美 [ˈɛnvəˌlop, ˈɑn-]
n. 信封, 封套, 封袋
[医] 膜, 包袋
n. a flat (usually rectangular) container for a letter, thin package, etc.
n. any wrapper or covering
n. a curve that is tangent to each of a family of curves
n. a natural covering (as by a fluid)
envelope的用法和双语例句：
1. The who, where, and when are in this envelope.
谁 在哪儿 什么时候 都在信封里
2. It is such a lot of them, I need envelopes tons and, lots and lots of envelopes.
你看有这么多 我需要信封 成吨的 很多很多信封
3. Things not said, advice not given, envelopes unstamped, regrets enveloping me.
未说出的话语 未给出的建议 未寄出的信封 处处都是遗憾
4. They had a machine that would make sure you separated the envelopes together so the sticky parts of the envelope didn't stick.
这台机器能确保 分离这些粘在一起的信件 这样有粘性的部分就不会粘在一起
5. take this envelope and we are through.
你拿走信封后我们就两清了
6. It's in an envelope over there on the mantelpiece.
我用信封装好放在壁炉上面