名词 wind vane:

1. mechanical device attached to an elevated structure; rotates freely to show the direction of the wind

windn.风；（随食物或饮料）吞下的气；呼吸；气息；管乐器；<口>空谈v.使喘不过气来；（给婴儿轻轻拍抚后背）使打嗝；吹(号角等)；（路、河等）蜿蜒；缠绕；给…上发条；可上发条；倒（磁带、胶卷等）；转动（把手）n.弯曲；弯曲处；缠绕；转动；上发条windingsn.线圈；圈；卷绕物名词winding的复数形式.

1. In winter the weather vane often freezes up.
   气象风向标在冬季经常僵立不动。
2. Going through hardships and tribulations ,the tennis clothes turned into a popular wind vane as its profond history and its keen fashionable trend.
   经过百余道年轮的打磨，如今的女子网球服以其深厚的历史底蕴和敏锐的时尚气息成为了一种流行风向标。