Pentacontane
五十烷
🗣️ 情景例句
Yes. Here you are.
好的，都在这儿。
I am 60 years old and siingle.
我六十岁了，仍然单身。
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。