weather vane
柯林斯词典
1. N-COUNT A weather vane is a metal object on the roof of a building that turns around as the wind blows. It is used to show the direction of the wind. 风向标
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1. N-COUNT A weather vane is a metal object on the roof of a building that turns around as the wind blows. It is used to show the direction of the wind. 风向标