的确，男人曾经发明了很多有用的东西，比如：机器、火箭、还有机枪。

It is true that men have invented a lot of useful things: the machines, rockets, and the guns, too.

youdao

的确，男人曾经发明了很多有用的东西，比如：机器、火箭、还有机枪。

It is true that men have invented a lot of useful things: the machines, rockets, and the guns, too.

youdao