Polybutyrolactam
[化] 聚丁内酰胺; 尼龙-4
🗣️ 情景例句
I see. What time will she come back?
哦，那她几点会回来？
Who is going take your place?
谁代替你的位置？
It was an exciting finish.The winner was Billy Stewart.
比赛的结尾是激动人心的。获胜者是比利。斯图尔特。