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	bagman bagnio bah bahaism bah-fong-goo bahuvrihi bailey bridge bailiff bailiff wand bailiwick bait tree baked alaska bakelite baker-s dozen baksheesh balbriggans bald bald as a coot bald eagle balderdash bald-headed baldwin apple baleboss balfour declaration bali bali

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。