Dosing device
[化] 定量装置
🧩 词语组成解析
定量给料
🗣️ 情景例句
I would like a single room.
我想要一个单人间。
When did you get up yesterday morning?
你昨天早上几点起床？
The ball struck him so hard that he nearly fell into the water.
球重重地打在他身上，使他差点儿落入水中。