这是你第一次乘飞机吗？

Is this the first time that you've flown?

《牛津词典》

我不太清楚，我是第一次乘飞机。

I dont know exactly, its my first time to take a flight.

youdao

这是你第一次乘飞机旅行吗？

Is it your first trip by air?

youdao

他想到这是他第一次乘飞机就吓得要命。

He was shaking in his shoes at the thought of flying for the first time.

youdao

茱莉亚：史蒂文，我明天第一次乘飞机出国。你能给我些建议吗？我应该注意哪些方面呢？

Julia: Steven, I'm going abroad by plane for the first time tomorrow. Can you give me some advice? And what should I pay attention to?

youdao

在这以后，我第一次走陆路遍访东德- - -以往我一直乘飞机旅行。

After this I traveled overland through East Germany for the first time — in the past I had always flown.

youdao

但是这远不是热带气候地区第一次出现蛇类想免费搭乘飞机的情况。

Butt it's far from the first time a snake has tried to travel free of charge on planes from warm climates.

youdao

但是这远不是热带气候地区第一次出现蛇类想免费搭乘飞机的情况。

Butt it's far from the first time a snake has tried to travel free of charge on planes from warm climates.

youdao