Aluminum oxides are commonly used to combat heartburn and to purify drinking water.
氧化铝被广泛使用于救治心脏病以及纯化饮用水方面。
The women mix sawdust and clay to make flower pot shaped filters that they use to purify drinking water.
妇女们将锯屑和粘土混在一起，制造花盆状的滤水器，用来净化饮用水。
These might include technologies to purify drinking water, diagnose disease, store and convert energy, and improve food processing and storage.
这其中有净化饮用水、疾病诊断、能量转化与贮存以及食品加工与贮藏等技术。
Besides the air, the farms would also recycle and purify gray water, which is wastewater from sinks, bathtubs and drinking fountains.
除了空气，昆虫型农场还能回收和净化来自水池、浴缸和饮水机的生活污水。
You might have to pump and purify your drinking water.
你可能要和你净化饮用水泵。
You should purify the water before drinking it.
水在喝之前要净化。
Purify the water before drinking it.
饮用水均须过滤净化。
You should purify the water before drinking it .
喝水前，你应使之净化。
The water is not pure. We must purify it before drinking.
水不干净，饮用前必须净化。
Purify the water before drinking it.
水在饮用前要净化。
Purify the water before drinking it.
水在饮用前要净化。
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