thresher
n.
late 14c., agent noun from thresh. The thresher shark (c.1600) so called for its long upper tail, which resembles a threshing tool.
| 词汇 | thresher |
| 词根词缀 | Online Etymology Dictionary thresher n. late 14c., agent noun from thresh. The thresher shark (c.1600) so called for its long upper tail, which resembles a threshing tool. |
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