I believe Speed Racer knew that Racer X was really his brother.

我相信高速赛车手知道赛车是他的亲兄弟。

youdao

Scottie Roberson, 38, chose the personalised plate as a combination of his nickname "Racer X", and his favourite number, seven.

现年38岁的ScottieRoberson用他的外号“赛车手X”与幸运数字“7”组合出这套个性车牌。

youdao

Scottie Roberson, 38, chose the personalised plate as a combination of his nickname "Racer X", and his favourite number, seven.

现年38岁的ScottieRoberson用他的外号“赛车手X”与幸运数字“7”组合出这套个性车牌。

youdao