英语词汇bone up on的起源、历史背景-英语词源词典

词汇	bone up on
词源	See bone
随便看	see spot run see the elephant and hear the owl hoot see you later see you later alligator seiche seize the day seize the moment sekando waifu self-help self-made man self-starter sell down the river sell like hot cakes sell the pass seltzer semitic senate send packing send to coventry send to the showers senior moment sensitive plant sentence sent off with a flea in his ear sent up the river

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。