Metaphosphate
n. [化]偏磷酸盐
🗣️ 情景例句
Don't mention it.
没事儿。
Yes, to be sure.
是的，没错
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。