backswimmer
美
英
- 网络仰泳蝽；仰泳选手；仰泳虫
复数：backswimmers
n. | 1. a water bug that swims lying on its back and propelled by its broad hind legs. |
| 单词 | backswimmer | ||
| 释义 | backswimmer美 英
复数：backswimmers
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