Poly(hexamethylene dodeca-1,12-dioyl amide)
[化] 聚十二烷-1,12-二酰己二胺; 尼龙-612
🗣️ 情景例句
Have a nice flight.
祝您一路顺风。
This is a desk.
这是一张桌子。
Oh dear! You're right.It's closed.
哎吆！你说得对，是关着的。