Poly (propylene oxide)
[化] 聚环氧丙烷
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
Keep smiling! things will calm down.
乐观一点，事情会平息下来的。
No, I can't go to bed till she says Good night to me.
不，除非她向我道晚安，不然我睡不着。
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。