1 N-COUNT 短上衣；夹克衫 A jacket is a short coat with long sleeves. 短上衣；夹克衫
SYN coat, blazer
2 N-COUNT [usually plural] （带皮烤土豆的）土豆皮 Potatoes baked in their jackets are baked with their skin on. （带皮烤土豆的）土豆皮
3 N-COUNT （书籍的）护封，书套 The jacket of a book is the paper cover that protects the book. （书籍的）护封，书套 [mainly US]
4 N-COUNT 唱片套 A record jacket is the cover in which a record is kept. 唱片套 [US]
in BRIT, use 英国英语用 sleeve
5 See also: bomber jacket dinner jacket flak jacket hacking jacket life jacket sports jacket straitjacket
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