Polycaprolactam
聚已内酰胺, 尼龙-6
🗣️ 情景例句
Shall I tell him you called?
我告诉他你来过电话，好吗？
The greatest talkers are always the least doers.
言语的巨人往往是行动的侏儒。
Draw your chair up to the table.
把你的椅子拉到桌子旁边来。