jacket(名词):夹克;短外套;(也可指)书籍的护封/封套、机器的外壳或包覆层等(较次常见义)。
/ˈdʒækɪt/
I put on my jacket because it was cold.
天冷了,我穿上了夹克。
The detective adjusted his jacket collar as he stepped into the rain-soaked street, trying to look calm.
侦探走进被雨水浸透的街道时,整理了一下夹克的衣领,努力让自己看起来镇定。
jacket 源自法语 jaquette,与 Jacques(相当于英语中的“Jack”)有关,原指一种短上衣。后来词义扩展到“外层包覆物”,因此也能指书的护封或设备的外壳/套层等。