riffle beetle
noun
Any of various small aquatic beetles that live in fast-flowing water and crawl rather than swim; especially one of the herbivorous family Elmidae.
Origin
Early 20th century.
| 单词 | riffle beetle |
| 释义 | riffle beetlenoun Any of various small aquatic beetles that live in fast-flowing water and crawl rather than swim; especially one of the herbivorous family Elmidae. Origin |
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