【医】 spaces of Littre
benefit; favourable; profit; sharp
especially; special; spy; unusual; very
【化】 tex
mine; thunder
【电】 thunder
family name; surname
clear; clearance; gap; interval; space
【化】 back lash; clearance; gap; play; slack
【医】 clearance; diastem; diastema; interspace; space; spatia; spatium