Polyaramide
[化] 聚芳酰胺
🗣️ 情景例句
Alexandra came by.
Alexandra来了。
I'm sorry to have kept you waiting.
很抱歉，让你久等了。[分词作状语]
Unfortunately, the show was one of the dullest we have ever seen.
不幸的是，这次演出是我们看过的最乏味的演出了。