Previous attempts at filtering and oxygenating aquarium water had failed.
之前尝试过几次将鱼缸中的水过滤并充氧，但都没有成功。
...freshly oxygenated blood.
刚充氧的血液
To aerate or oxygenate ( blood ).
提供氧气向血液供氧或加氧于 ( 血 )
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Uses: Mainly used in battery, also used as oxygenate and in making enamel.
用途: 主要用于电池行业, 也用于氧化剂和制作珐琅.
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