Polyacetylenes
多炔
🗣️ 情景例句
Well, Robbie was eight pounds two ounces,
嗯 ，Robbie生下来八磅二盎司，
Hide nothing from thy physician.
切莫讳疾忌医。
First, I'd like to tell you a few things about this factory.
首先，我想告诉你们有关这家工厂的一些情况。