Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar.

用过滤漏斗和过滤纸把硫酸铜、砂子和水的混合物过滤到另一个广口瓶里。

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Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar.

用过滤漏斗和过滤纸把硫酸铜、砂子和水的混合物过滤到另一个广口瓶里。

youdao