Polytetramethylene azelamide
[化] 聚亚丁基壬二酰胺; 聚壬二酰丁二胺
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
Purse
皮包
She got to school early. She had a little rest after lunch, but she worked hard in class all day.
她早早来到了学校。午饭后她小休一会儿，但一整天她在课堂上都很用功。