科研之友
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摘要
<正>河蚌常被烹饪成美食，但原来它还能帮助监测水质。主题语境：人与动物篇幅：330词建议用时：7分钟1 A group of clams recently caught people’s attention after an article was posted by China Science Communication online. Although these clams are usually regarded as nothing more than delicious food, they work to monitor the local water quality in Poland.
