Polypropylene glycol
[机] 聚丙二醇
🧩 词语组成解析
n. 聚丙烯\\n[化] 聚丙烯
n. 乙二醇\\n[化] 二醇; 乙二醇
🗣️ 情景例句
It's important for you to keep a cool head at this moment.
这时候保持头脑冷静是很重要的。
Do you have some post cards?
你有明信片吗？
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。