Aromatic polyamide
[化] 聚芳酰胺
🧩 词语组成解析
[化] 聚酰胺
🗣️ 情景例句
Sure.
当然。
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
You've done very well and made lots of progress.
你功课学得很好，进步很大。