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Some people never learn about water conservation.
有些人就是不知道怎样节约用水。
youdao
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Learn more about water.
更多了解水。
youdao
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In addition they learn something about water chemistry and breeding of fish.
另外还可以学到一些水生物化学和饲养鱼类的知识。
youdao
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In addition they learn something about water chemistry and breeding of fish.
另外还可以学到一些水生物化学和饲养鱼类的知识。
youdao