a mechanical device that rotates to push against air or water
propellor的用法和样例:
例句
用作名词 (n.)
Equipped to float with impermeable canvas skirts, these tanks were to propel themselves to the beach with an ad hoc propellor and then resume normal operation. 这些坦克车下截设有不透水帆布围裙,以便漂浮,并特设螺旋桨,以便向海滩推进,登陆之后即可照正常操作。