Hafta
<主美口>=have to
🗣️ 情景例句
He should just about get by in the exam.
他这次考试还能勉强及格。
It is the first step that costs.
万事开头难。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。