【电】 head gap
beginning or end; cobbra; conk; crumpet; end; first; garret; hair; head
leading; nob; noddle; pate; sconce; side; top; twopenny
【医】 capita; caput; cephal-; cephalo-; head; kephal-; kephalo-
crack; crevice; gap; interval; opportunity; rift
【化】 opening
【医】 gap; space; spatia; spatium; split
