Poly(tetramethylene adipamide)
[化] 聚己二酰丁二胺; 尼龙-46
🗣️ 情景例句
Mitchell, so nice of you to come.
Mitchell，欢迎光临。
He who never was sick dics the first.
永不生病的人往往一病致命。
Stories about people often attract far more public attention than political events.
常人轶事往往比政治事件更能引起公众注意。