词汇	birch carbon
释义	birch carbon 桦木炭
随便看	be at it be at it again beat it double-quick be at it hammer and tongs beat it out Beat it out of somebody be at its lowest ebb Beat its rival Horace Mann in baseball today Beat it They Told Him be a tittle wanting beatitude beatitudes beatitudinous beat it up beat it up! beat it while the beatings good Beat it while the beating's good beatizing beat jamming beat joyously beat/kickthehell out of somebody/something beat knee Beat knock beat/knock one's head off Beat knock, scare the bejabbers out of sb