Polylaurylamide
[化] 聚十二内酰胺; 尼龙-12
🗣️ 情景例句
You're late.
已经迟了。
Stop looking for excuses.
不要再找借口了！
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。