envelopes
US /ˈɛnvəˌloʊps/
UK /ˈɛnvələʊps/
複數名詞
信封
flat, usually paper, containers for a letter or other documents, with a gummed flap for sealing
範例:
•
I need to buy some envelopes to mail these invitations.
我需要買一些信封來寄這些請柬。
•
The secretary sorted the letters into different envelopes.
秘書將信件分裝到不同的信封中。