We listened to the plane engine drone on until we fell asleep.

我们听着飞机引擎不停地嗡嗡叫，后来就睡着了。

youdao

We listened to the plane engine drone on until we fell asleep.

我们听着飞机引擎不停地嗡嗡叫，后来就睡着了。

youdao