旅鴿已絕種英文怎麼說？

The passenger pigeon is extinct.

一個偶然坐車的旅客使這輛大車免遭了一場大禍英文怎麼說？

A passenger perchance riding on the wagon prevented a fatal accident.

客流量已增長百分之二十英文怎麼說？

Passenger traffic has gone up by 20 per cent.

我是這班飛機的過境旅客，你能告訴我怎麼走嗎？英文怎麼說？

I'm a transit passenger for this flight. Can you tell me where to go?