Jacobian
[计] 雅可比
🗣️ 情景例句
Robbie, there's a phone call for you.
Robbie，有你的电话。
I know the boy whose father is a pilot.
我知道那个男孩的父亲是飞行员。
Every morning, he left home dressed in a smart black suit.
每天早晨，他穿上一身漂亮的黑色西装离家上班，