sedge
noun [ U or C ] uk/sedʒ/ us/sedʒ/
（通常长在水边的）莎草，苔
a plant like grass that grows on wet ground, often next to rivers
This wetland sedge forms low-growing attractive clumps of fine-leaved vegetation. 这种湿地莎草形成低矮生长的细叶植物丛，颇为好看。
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