飞机快要起飞了。

Fēijī kuài yào qǐfēile.

The plane is about to take off.

我们是在飞机上认识的。

Wǒmen shì zài fēijī shàng rènshi de.

We met on the plane.

坐高铁要5个小时左右，坐飞机只要两个半小时左右。

Zuò gāotiě yào wǔ gè xiǎoshí zuǒyòu, zuò fēijī zhǐyào liǎng gè bàn xiǎoshí zuǒyòu.

Riding the light rail takes about 5 hours, taking a plane only takes about 2 and a half hours.