Elementary transformation
[计] 初等变换
🧩 词语组成解析
🗣️ 情景例句
How do you think about it?
你认为怎么样？
I know the boy whose father is a captain.
我知道那个男孩的父亲是船长。
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。