单词：submerged plant
submerged plant的用法和样例：
例句
- The reed is a kind of above-water plant.芦苇是挺水植物。
- Hence, the survival rate of submerged plants is very low in eutrophic lakes.因此在富营养化的湖泊中栽种沉水植物的成活率是很低的。
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