Please buy an e___ for me.I want to send a letter.开头的字母已给出.、 e___

问题描述:

Please buy an e___ for me.I want to send a letter.
开头的字母已给出.、 e___

envelop

信封 envelope

envelope (1楼拼错)
因为后面一句’我想要寄封信‘,所以需要信封envelope