Trialkyl
三烃基, 三烷基
🗣️ 情景例句
How come you speak such good English?
你为什么能说这么好的英语呢？
Do you work near the airport?
你在机场附近工作吗？
It suddenly occurred to one of the workers to open up the box.
突然一个工人想到打开箱子看看。