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
Oh no! It's five thirty.
哎呀 已经五点半了。
A good head and an industrious hand are worth gold in any land.
聪明脑袋勤劳手，走遍天下贵如金。
It was not that Bruce always underestimated difficulties.
这并不是说布鲁斯总是低估困难，