嗯，有新式飞机、飞行汽车，有很多高楼大厦，而且宇航员能去火星旅行了。

Well, there are new planes, flying cars, many tall buildings, and astronauts can travel to Mars.

youdao

嗯，有新式飞机、飞行汽车，有很多高楼大厦，而且宇航员能去火星旅行了。

Well, there are new planes, flying cars, many tall buildings, and astronauts can travel to Mars.

youdao