Cepheids
(cepheid 的复数) 造父变星
🗣️ 情景例句
Please sit down, Alexandra.
请坐 ，Alexandra。
I haven't seen you for a long time.
好久没有见到你了。
Then, instead of having someone answering the phone all day, people can ring up the railway station and listen to a tape recording of the information.
然后，人们可以打电话到火车站，从录音电话中获取信息，而不要安排一个专人整天接电话。