Polyamide
[化] 聚酰胺
🗣️ 情景例句
I am on speaking terms with him.
我和他只是泛泛之交。
Is the production line fully attomatic?
生产线是全自动的吗？
He was late again. It's typical of him to keep everybody waiting.
他又迟到了。他的特点就是让别人等他。