Polyacetals
聚缩醛(树脂)
🗣️ 情景例句
Well, I do care about Michelle.
是的， 我真的关心 Michelle。
My watch says two o'clock.
我的表是两点钟。
Oh, there's the conductor. Do you have your ticket?
啊，列车员来了。票在你那儿吗？