Poly(propylene glycol)
[化] 聚丙二醇
🗣️ 情景例句
I was. But not in high school.
说的对。但高中时不好。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
Ready? Go! Mr. Hu shouted, and the boys started to run.
“预备--跑！”胡先生喊道，男孩子们开始跑。