Poly(propylene glycol)
[化] 聚丙二醇
🗣️ 情景例句
and left ... push ... push ... turn ... hit the floor.
向左……推……推……转身……坐地板。
Life without a friend is death without a witness.
在世无朋友，死后无证人。
Stop complaining!
别发牢骚！