envelope
🇬🇧/ˈenvələʊp/ 🇺🇸/ˈenvəloʊp/VCE📚 3916 12 2四级 六级 考研 高考 An envelope is the rectangular paper cover in which you send a letter to someone through the mail. 信封
noun [专属名词]信封，封皮；气囊；（彗核）包层，彗发；（数学）包络线，包络面；（生物）包膜；极限数据
- She opened the perfumed envelope.
- envelope 出现在下面的课文中
- Lesson 059&60 Is that all？ envelope 名词: 信封
- Lesson 22 A glass envelope
- Lesson 24 It could be worse
