Spacewatch
太空监视
🗣️ 情景例句
There's nothing you can do about it.
你对此无能为力。
I'm sorry, but she won't have any openings until 11:00, unless there's a cancellation.
对不起，除非有预约取消，11点以前她没有空。
How long have you been learning English?
你学英语有多久了？