柯林斯詞典wind tunnel /w?nd/ (wind tunnels) 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. (用於測試新汽車和飛機(jī)等的)風(fēng)洞 返回 wind tunnel劍橋詞典a closed passage or room through which currents of air are forced in order to study the effects of moving air on aircraft and other vehicles （用於測量飛機(jī)或其他交通工具風(fēng)阻的）風(fēng)洞 返回 wind tunnel