"i would die like a shot, to know that the earth would really be cleaned of the people. it's the most beautiful and freeing thought. " “如果我得悉地球果真会清除所有的人类,那么我会毫不犹豫地死去,这是最美好、最令人舒心的想法。”
he wiped the revolver clean of his fingerprints 他擦掉自己留在手枪上的指纹。
safe entry and cleaning of petroleum storage tanks 石油贮罐的安全注油口和清洗
regular cleaning of air ventilation system and carpet 定时清洁通风系统和地毡
cleaning of beaches not designated as bathing beaches 非指定为泳滩的海滩的清洁问题