HSK 7–9 · noun · Practice
引擎
engine
飞机起飞前，引擎的声音越来越大。
Fēijī qǐfēi qián， yǐnqíng de shēngyīn yuè lái yuè dà。
Before the plane took off, the sound of the engines grew louder and louder.
HSK 7–9 · noun · Practice
engine
飞机起飞前，引擎的声音越来越大。
Fēijī qǐfēi qián， yǐnqíng de shēngyīn yuè lái yuè dà。
Before the plane took off, the sound of the engines grew louder and louder.