Definition
风洞 is a technical term from aerodynamics — a wind tunnel used to test how air flows over objects like aircraft, cars, or buildings. It's a concrete compound noun (风 'wind' + 洞 'tunnel') and is not used metaphorically in everyday speech. You'll encounter it in engineering, aviation, or sports contexts (e.g., testing racing helmets).
n.
wind tunnel (engineering/aerodynamics facility)
Examples
- 风洞。Gōngchéngshī yòng fēng dòng cèshì xīn fēijī de xìngnéng.Engineers use a wind tunnel to test the performance of new aircraft.
- 风洞。Zhège fēng dòng kěyǐ mónǐ měi xiǎoshí sān bǎi gōnglǐ de fēngsù.This wind tunnel can simulate wind speeds of 300 kilometers per hour.
- 风洞。Sàichē tóukuī de shèjì yě bìxū zài fēng dòng lǐ yànzhèng.The design of racing helmets must also be verified in a wind tunnel.
Browse more HSK 7-9 words or search the full 43,000-word dictionary.