"Jacket" 英文读音为 /ˈdʒækɪt/。
来源：这个词来源于法语 "jaquette"，意为外套或外衣。在英语中，它首先用于指短上衣或夹克衫，后来才引申到其他类型的外套。
例句：
I need to buy a new jacket for the winter. (我需要买一件新的夹克过冬。)
He took off his jacket and hung it on the back of his chair. (他脱下夹克并把它挂在椅子的背后。)
The jacket is made of waterproof material. (这件夹克是用防水材料做的。)