Reactivities
n. 反应；反动
🗣️ 情景例句
Sure. It's 6225-9438.
好的。是6225-9438。
If you have no hand, you cannot make a fist.
巧妇难为无米之炊。
Look at the snow! It's thick, isn't it?
瞧这雪！雪很厚，是吧？