无尘的英文：
dust free
- Yet he is always represented clean, combed, and sleek, in spotless raiment, erect
可是他总是被描写成发肤整洁，衣履无尘，悠然挺立。
n. 尘土；粉尘
v. 擦灰；掸去；撒
- dusted the cookies with sugar;dust crops with fertilizer.
将饼撒上糖粉；把化肥撒在作物上 - Dust sugar on to a cake.
将糖撒在糕点上。 - The carriage left a trail of dust.
马车后扬起了一缕烟尘。 - He dusted his trousers.
他掸掉裤子上的尘土。 - She dusts every day.
她每天掸灰尘。
adj. 自由的；免费的；空闲的；任意的；免税的；游离的
adv. 免费地；自由地
v. 释放；免除；使自由，解放
- Freedom is not free.
自由不是无偿的。 - Be covered by free Medicare / be entitled to free medical care
享受公费医疗 - It depends on free oxygen or air.
它依靠大量的氧或者空气。 - He walked with a free gait.
他走路步态潇洒。 - the free end of a flag
旗子未固定的一端
