他不仅是自行车的发明者，是全美自行车赛冠军，还是美国宇航局的一名航空工程师。

Not only is he a national champion cyclist and a bicycle innovator, he's also a NASA aerospace engineer.

youdao

他不仅是自行车的发明者，是全美自行车赛冠军，还是美国宇航局的一名航空工程师。

Not only is he a national champion cyclist and a bicycle innovator, he's also a NASA aerospace engineer.

youdao