底稿

draft; manuscript
【化】 manuscript
【经】 foul copy

1.underdrawing  

底的英语翻译：

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

稿的英语翻译：

draft; manuscript; sketch; straw