Emergency installation
[化] 备用机件; 备用装置
🧩 词语组成解析
installation
['ɪnstə'leʃən]
n. 安装;装置;永久性军事基地;就职;
in 向内，进入 + stall放 + ation名词后缀 → install安装+ation名词后缀 → 安装；装置；设施
🗣️ 情景例句
I know you are.
我知道你是。
She's such a pain in the neck.
她是个如此讨厌的人。
Invariably the background was the same: dirt and poverty, and very uncomfortable.
肮脏、贫穷，极其不舒适。