Validity problem
[计] 永真问题
🧩 词语组成解析
🗣️ 情景例句
Can't you do something about it?
你就不能想点办法吗？
She is sick in bed.
她卧病在床。
A fine rain began to fall on our heads and the temperature had dropped.
一阵小雨落到我们头上，气温开始下降了。