当你想要让艺术绝对纯净，完全不被任何东西污染，唯一的办法就是让艺术只属于你自己，而不是其他任何人。
If you want art to be absolutely pure, absolutely untainted by anything, chances are the art is going to belong only to you and to nobody else.
潜水员们也经常穿着特制的潜水服和旧式的钢铁头盔，以使得他们在充满污染水体中不被侵害。
The divers also wear specialized dive suits and old-fashioned hard steel helmets so they can safely operate in contaminated water without being exposed to toxins.
橡胶手套可以防护他不触及电池的化学物质，比如镍、钴和锰，同时还可以保护电池的精密组织，不被他手指上的天然皮肤油脂污染。
The gloves protect him from the chemicals in the battery, which include nickel, cobalt and manganese, and shield the battery's delicate tissues from the natural oils on his fingers.
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