Polylaurylamide
[化] 聚十二内酰胺; 尼龙-12
🗣️ 情景例句
Five hundred dollars, please. And could you give me ten dollar in small change?
请换500美元。再另外能否给我10元的小面额零钱？
Why are you sitting over there?
你为什么坐在那里？
Are you making progress?
有进展吗？