飛機

飛機

Airplane.

In this sentence, '飛機' is used as a noun referring to the vehicle 'plane' that the subject used for travel.

我昨天坐了飛機去北京。

Yesterday, I took a plane to Beijing.

Here, '飛機' is again used as a noun, describing the aircraft currently flying in the sky.

天空中的飛機飛得很高。

The airplane in the sky is flying very high.

'飛機' functions here as a standard noun referring to airplanes, particularly their action of landing.

你有時候可以看到飛機降落在跑道上。

Sometimes, you can see airplanes landing on the runway.