空氣動力面; 機翼; 翼型
Aerofoil \A"["e]r*o*foil`\, n. [A["e]ro- + foil.] A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird.
aerofoil n : a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight [syn: {airfoil}, {control surface}, {surface}]