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
That child behaves just as he pleases.
那孩子想干什么就干什么。
Speak well of your friend, of your enemy say nothing.
要赞美朋友，莫提及敌人。
Bang! One shoe. Bang! The other shoe. It was too bad.
砰！一只鞋子。砰！另一只鞋子。这真是太糟了。