Polylaurylamide
[化] 聚十二内酰胺; 尼龙-12
🗣️ 情景例句
Are you doing anything tonight?
今晚有安排吗？
Thoroughly to teach another is the best way to learn for yourself.
教学相长。
and in passing leaves and indefinable longing and regret.
并在消逝中给人留下不可名状的渴望和惆怅。