Polyaramide
[化] 聚芳酰胺
🗣️ 情景例句
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
You did a good job.
你干得很好。