It could be a plane.

可能是一架飞机。

We took a plane to Beijing.

我们乘坐一架飞机去了北京。

A plane landed at the airport.

一架飞机在机场降落。

Can you see a plane in the sky?

你能看到天空中的一架飞机吗？

We need to book tickets for a plane.

我们需要预订一架飞机的票。

He was nervous the first time he took a plane.

他第一次坐一架飞机时很紧张。

If you are on a plane with a sick passenger, you are unlikely to get sick.

即使你跟某位生病的乘客同在一架飞机上，也不太可能会生病。

Columbia, an airplane company, agreed to build a plane using the parts.

哥伦比亚航空公司同意用这些零件制造一架飞机。

A plane passed over our heads.

一架飞机从我们头顶飞过。

He once crashed a plane.

他曾坠毁过一架飞机。