翻译和例句：
, and quicklime (石灰) for a few weeks. The mixture contains strong alkalis (碱). The egg white is rich in protein ……
acid (酸) in it, while soda is a base (碱). They work together to become carbon dioxide (CO2, 二氧化碳). ……
winter, they saw that the litmus didn't seem to change colour withbase(碱). It's hard to get a clear ……
purifiers (净化器). The mobile air purifiers use a solid alkali (碱) as a filter (过滤器), which can... purifiers use a solid alkali (碱) as a filter (过滤器), which can actively capture (捕获) and eliminate bacteria ……
alkali (碱) as a filter (过滤器), which can actively capture (捕获) and eliminate bacteria in the air...器).The mobile air purifier uses a solid alkali (碱) as a filter (过滤器), which can actively capture (捕获 ……
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