单词	abacus
释义	abacusabacus /ˈæbəkəs, əˈbæ-/ noun [countable] Etymology ETYMOLOGYabacus Origin: 1300-1400 Latin Greek abax flat piece of stone a wooden frame with small beads used for counting [Origin: 1300–1400 Latin, Greek abax flat piece of stone]
随便看	lubricate lubrication lubricious lubriciously Luce, Henry lucid lucidity lucidly Lucifer luck luckily luckless lucky lucrative lucre Luddite lude ludicrous ludicrously ludicrousness lug luge luggage luggage rack lug nut

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