其次是拔取耐碱性颜料或染料或增添料.This was followed by the adoption of alkali - dye or pigment or filler.黄木一种可产生黄色染色剂的热带美洲产雌雄异株树木 ( 黄木或染料桑木 )A small dioecious tropical American tree ( Chlorophora tinctoria ) having wood that yields a ye...