直升机zhíshēngjīhelicopterHSK 7-9PronunciationzhíshēngjīExample sentence救援直升机紧急降落在山顶。Jiùyuán zhíshēngjī jǐnjí jiàngluò zài shāndǐng.The rescue helicopter made an emergency landing on the mountaintop.Read and choose an answerOne fixed sampleExplore a sample