blue black的用法和樣例：
例句
用作形容詞 (adj.)
- It discussed the dyeing of the shrink resistant wool with reactire dyes and mordant dyes in deep black, tested the fastness to crocking, the soaping fastness and the dyeing depth.
摘要主要探討了活性染料及媒介染料在防縮羊毛上染深黑色的應用。
辭彙搭配
- black and blue 青一塊紫一塊...
- beat someone black and blue 把某人打得遍體鱗傷,...
