He took a largish buff envelope from his pocket.

他从口袋里拿出一个相当大的浅棕色信封。

《柯林斯英汉双解大词典》

I always get nervous when I see the envelope from school in the mail.

当我看见学校寄来的信封时，总是心里很紧张。

youdao

The spiky handwriting on the airmail envelope from London was obviously hers.

发自伦敦的航空信封上的尖长字迹分明是她的。

youdao

They let me go into the foyer and retrieve the envelope from my translator.

NEWYORKER: Election, Monitored

He extracted an envelope from which slid five watches and three wallets, one containing a note for 200 Greek drachmas.

WSJ: As Trash Goes, Authors' Clutter In the Right Hands Is Very Bankable

So, should I open the envelope from Rockefeller, where my apo E status was determined by Dr. Breslow's laboratory as part of a research project?

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