Astroballistics
天体弹道学
🗣️ 情景例句
Yeah!
是啊！
Try to be there by 8:15 the airport will be crowded.
尽量在8点15分以前赶到那里，到时机场会很拥挤的。
She has no money and no place to live.
她没钱，也没地方住。