Polyamides
[化] 聚酰胺; 尼龙
🗣️ 情景例句
it's a good picture.
那是一张好照片。
Just a second and I'll check the schedule.
请等一等，我来查一下时刻表。
That was used for drinking, said Wei Hua.
“那是饮用东西的用具。”魏华说。