Serratulate
[植]具细锯齿的
🗣️ 情景例句
Excuse me, ma'am.
对不起 夫人
What's your impression of the United States?
你对美国的印象如何？
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。