Hydromechanization
水力机械化
🗣️ 情景例句
You cannot believe how sorry I am.
你不知道我感到多么抱歉。
When did you come to see me?
你什么时候来见我？
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。