指底间隙

【医】 web spaces

指的英语翻译：

depend on; digit; finger; indicate; point
【医】 dactyl; dactylo-; dactylus; digit; digiti; digiti manus; digitus
finger

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

间隙的英语翻译：

clear; clearance; gap; interval; space
【化】 back lash; clearance; gap; play; slack
【医】 clearance; diastem; diastema; interspace; space; spatia; spatium