n.發(fā)藍(lán)；青化法；藍(lán)色漂白劑

=bluing.

Do you think the blue car is only do30? 你看這輛藍(lán)車(chē)只開(kāi)30英里的時(shí)速嗎？

My blue coat is en years old. It has seen better days. 我的藍(lán)上衣穿10年，已經(jīng)很舊了。

The carpenter was wearing a pair of blue overalls. 那木匠穿著藍(lán)色的工裝褲。

He was attired in blue. 他穿著藍(lán)色衣服。