Gravipause
[航空]重力分界
🗣️ 情景例句
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
Do you ever play basketball after school?
你曾经在放学后打篮球吗？
Last week No.14 Middle School held a sports meeting on the playground.
上星期第十四中学在操场举行了一次运动会。