Dosing
定量给料
✅ 同义词
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
To play the guitar
弹吉他
of the nature of the illness from which his friend was suffering,
不知道他的朋友得的是什么病，