...atment(物理处理方法)无法发挥功效,自来水工厂只能采用chemical treatments(化学处理方式)来 purify the water(净化水源)。
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It can also help to purify the water quality, reduce pollution and improve environment.
荷花还可净化水质、减少污染、改善环境。
We purify the water we drink with a water filter designed for the astronauts' use in space.
我们用滤水器净化饮用水,而滤水器是专为航天员在太空中使用而设计的。
You can purify the water by distilling.
你可以通过蒸馏来净化水。
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