天空被雨水冲刷得一尘不染，犹如一面明镜，散发着迷人的宝石蓝。
The sky is rain wash clean, is like a mirror, sending out charming sapphire blue.
本实验用国产蓝石棉和温石棉(简称蓝棉和温棉)对大鼠气管内注入染尘。
The experiment was designed to examine the fibrogenic action of Chinese crocidolite and chrysotile asbestos by intratracheal injection into rats.
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