Determinand
[化] 欲测物(元素、离子、原子团等)
🗣️ 情景例句
Exactly.
就是这样。
Why are you disappointed?
你为什么灰心？
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。