wind tunnel
Longman Dictionary of Contemporary English 5++LDOCE 5++wind tun·nel /ˈwɪnd ˌtʌnl/ noun [countable] TTATEa large enclosed passage where engineers test aircraft etc by forcing air past them 〔试验飞机的〕风洞
Examples from the Corpus
wind tunnel• The reverse acoustic ceilings amplify the din to a decibel range appropriate for a wind tunnel.• During wind tunnel tests on the car, at the development stage, water was added.• Work includes full-scale experiments, wind tunnel studies and computational fluid dynamics.• But the wind tunnel specifications called for this wall to be able to withstand seventy-five pounds a square foot.• Fall through the platform, and unless you're either amazingly brave or stupid head down the wind tunnel to the left.• By ensuring that only the most promising designs enter the wind tunnel, it has made physical evaluation more cost effective.• It was the wind tunnel which gave birth to the characteristic shape of the Boeing 747.wind tun·nel nounChineseSyllable
a large enclosed passage test engineers Corpus where aircraft
wind tunnel
wind tun‧nel /ˈwɪnd ˌtʌnl/
noun [countable]
a large enclosed passage where engineers test aircraft etc by forcing air past them
wind tun‧nel /ˈwɪnd ˌtʌnl/
noun [countable]a large enclosed passage where engineers test aircraft etc by forcing air past them