hélice[P] hélice (m)[E] propeller, propellor [prəp'elə] (n)[C] 螺旋桨[P] hélice (f)[E] helix, helices [h'i:liks, h'elisi:z] (n)[C] 螺旋线
helicoidal[P] helicoidal (a)[E] helical [h'elikəl] (a)[C] 螺旋线的