a building with sails or vanes that turn in the wind and generate power to grind corn into flour 风车房 ■a similar structure used to generate electricity or draw water (用于发电、汲水的)风车 ■(Brit.)a toy consisting of a stick with curved vanes attached that turn in the wind (英)玩具风车 ■propeller, especially one used formerly on an autogiro (尤指旧时用于旋翼机上的)风力旋轮,空气旋轮
verb
[with obj.]move (one's arms) around in a circle in a manner suggestive of the rotating sails or vanes of a windmill 使(手臂)作风车般转动 ■[no obj.](of one's arms) move in such a way (手臂)如风车般旋转,转动 ■[no obj.](of the propeller or rotor of an aircraft, or the aircraft itself) spin unpowered (飞机螺旋桨、旋翼或其机身)借风力旋转
常用词组 fling (或 throw) one's cap over the windmill(s)
(dated)act recklessly or unconventionally (旧)鲁莽(或不依惯例)地干