Unstressing
无应力
🗣️ 情景例句
I sold your father that house seventeen years ago.
十七年前我把那栋房子卖给你父亲的。
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
I know it's not necessary. I want to do it.
我知道不必这样，可是我愿付？/span>