Mechanical installation
[经] 机械装置, 机械设备
🧩 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
You're welcome.
别客气，欢迎你再来。
I often go to work in the morning.
我常常在早上去工作。
What seems to be the problem.
什么样的问题呢？