Polycaprolactam
聚已內酰胺, 尼龍-6
??? 情景例句
Be prepared to discuss details and be ready to answer questions.
應隨時準備好討論細節和回答對方的疑問。
Relax. You can count on me.
放一百二十個心吧。
Is she at school today?
她今天上學來了嗎？