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
An economic recession now seems more than likely.
现在看来，经济衰退的可能性相当大。
When I saw they had left, I was shocked to tears.
当我目睹他们离去时，我悲伤得落下了眼泪。
You said it.
你算说对了。