Mitp
[化] 異丙磷
??? 情景例句
first thing in the morning.
這是我明天早上的第一件事。
Yes, it's much better than yesterday.
是的，比昨天好多了。
It was my first flight. I was nervous when the plane took off.
我第一次坐飛機，起飛時我有點緊張。