a copy kept as a record; base; bottom; end; fundus; the truth of a matter 【医】 base; basement; bases; basi-; basio-; basis; batho-; bathy-; fimdi floor; fundus; pavimentum; solum
袋的英语翻译：
bag; sack 【化】 bag 【医】 accessory pocket; bag; haustra; haustration; haustrum; sac; sacculation 【经】 bag