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

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