Poly(propylene glycol)
[化] 聚丙二醇
🗣️ 情景例句
I had a wonderful being with you.
和你们在一起，我度过了美好的时光。
May I ask you a question?
我能问你个问题吗？
Hello, Betty. When are you going off to Guangzhou?
你好，贝蒂。你什么时候去广州？