英语词汇backswimmer的起源、历史背景-英语词源词典

词汇	backswimmer
词源	backswimmer. A marine bug that swims on its back and can inflict painful bites if handled. It is also called the boat bug.
随便看	sleep that knits up the ravelled sleeve of care flesh-tailor fleshy school of poetry fletcherize fleur-de-lis flexetarian flibbertigibbety flicker flickertail state floater float like a butterfly sting like a bee flog or beat a dead horse floor broker floor-through floorwalker floozie flopper flora floral firecracker florida florida room flotsam and jetsam flour flourish flower

英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。