Leaktight
密封的
🗣️ 情景例句
It's OK, Susan.
太好了， Susan。
She dresses very well.
她很会穿衣服。
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。