Vane

(noun.) the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft.

(noun.) a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it.

手打:温迪

• Then suddenly pointing to a weather-vane on the freight depot, he pulled out a Colt revolver and fired through the window, hitting the vane. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• In 1784, Mr. Bramah obtained a patent for a propeller similar in its forms to the vanes of a windmill, which by acting obliquely on the water as it revolved, pushed the boat forward. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• It had a reel with twelve vanes to press the grain toward the cutters, and cause it to fall upon a travelling apron which carried away cut grain and deposited it at the side of the machine. 威廉·亨利·杜利特. 世纪发明.
• In Mr. Gwynne's and Mr. Bessemer's pumps, which had straight vanes, the ratio of power to the effect did not exceed 0·19. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• To maintain the vessel on an even keel he introduced four vanes, called hydroplanes, for regulating the depth of descent. 佚名. 神奇的知识之书.
• The paddle, or vanes, as he called them, were placed at the stern, between two wheels, which were turned by ropes passing over their peripheries. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.

整理:凯蒂