Cepheid
造父变星
🗣️ 情景例句
What are your hours?
你是几点到几点上班？
I left the house at 8 o'clock and got to work at 8:30.
我在8点钟离开了房子并且在8:30上班了。
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？