海南沿海纯净无污染，海南珍珠品质超群。
There is no pollution along Hainan's sea, so its pearl is preeminent.
一个纯净而无污染、充满生命力的城市，这就是海口印象，得天独厚而又充满个性魅力。
One pure and pollution-free city, full of vigor and vitality, richly endowed by nature and full of individualized character glamour. This is the impression of Haikou.
本公司的千米侏罗纪地质层天然矿盐，纯净、天然、无污染，安全自然。
Our natural mineral salts from the thousand-meter deep Jurassic layer are pure, natural, free of pollution, and safe.
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