wind tunnel
柯林斯词典
1. N-COUNT A wind tunnel is a room or passage through which air can be made to flow at controlled speeds. Wind tunnels are used to test new equipment or machinery, especially cars and airplanes. (用于测试新汽车和飞机等的)风洞
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1. N-COUNT A wind tunnel is a room or passage through which air can be made to flow at controlled speeds. Wind tunnels are used to test new equipment or machinery, especially cars and airplanes. (用于测试新汽车和飞机等的)风洞