【医】 钉孔, 钻孔(牙)

strike a balance; counter-balance accounts; reverse an entry

counter-current multiplication mechanism【生理】

general average counter guarantee【保险】

counter-irritation【临床】

counter poison

counter-current trickle condenser

axle counter

snack counter【贸易】;sandwich shop【贸易】;snack bar【贸易】