n.(风车等的)翼，叶片，轮叶

原形：vane复数：vanes

The wind vane on the roof indicated that the wind was coming from the north.
屋顶上的风向标显示风是从北方吹来的。
She adjusted the vane on the fan to direct the airflow towards her.
她调整了风扇的叶片，使气流朝向自己。
The weather vane atop the old church swayed gently in the breeze.
老教堂顶端的风向标在微风中轻轻摇摆。
The antique weathervane, shaped like a rooster, was a charming feature of the cottage.
那个形状像公鸡的古董风向标是小屋的一个迷人特征。
He used a feather as a makeshift vane to determine the direction of the draft in the room.
他用一根羽毛作为临时的风向标来确定房间内气流的方向。
The helicopter's rotor vane needed to be realigned for optimal performance.
直升机的旋翼叶片需要重新校准以达到最佳性能。
In the experiment, the vane was set to rotate freely to measure fluid dynamics.
在实验中，叶片被设置为自由旋转以测量流体动力学。
The sailboat's captain watched the wind vane closely, ready to adjust the sails accordingly.
帆船的船长密切关注着风向标，准备相应地调整帆布。
A broken vane on the turbine led to a significant decrease in its efficiency.
涡轮机上一个损坏的叶片导致其效率显著下降。
The children made a simple weather vane using a straw and a paper arrow for their school project.
孩子们用一根吸管和纸箭为学校项目制作了一个简易风向标。