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vanevaneAHD:[v³n] D.J.[ve!n]K.K.[ven]n.（名词）A weathervane.风向标Any of several usually relatively thin, rigid, flat, or sometimes curved surfaces radially mounted along an axis, as a blade in a turbine or a sail on a windmill, that is turned by or used to turn a fluid.轮叶，机叶：一种通常相对薄、硬、平或有时呈曲线状的平面，沿着轴呈辅射状旋转，如汽轮机中的叶片或风车上的翼板，这是用来由液体推动或推动液体的The flattened, weblike part of a feather, consisting of a series of barbs on either side of the shaft.箭翎：羽毛的压平的网状部分，由箭杆任一侧的一系列倒钩组成The movable target on a leveling rod.视准器：水准尺上可移动的目标A sight on a quadrant or compass.照准器：象限仪或罗盘上的准星One of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile.舵：装在火弹或其他导弹尾部的金属导向器或稳定钉之一
