ni.gro.sinen.(名词)Any of a class of dyes, varying from blue to black, used in the manufacture of inks and for dyeing wood and textiles.苯胺黑:蓝黑色染料的一种,用于墨水的生产制造和木料及织物的着色来源:Latin niger nigr- [black] 拉丁语 niger nigr- [黑色的] -os(e) 2-os(e)2-ine 2-ine2