At two hundred fifty miles per hour he felt that he was nearing his level-flight maximum speed.

到了时速二百五十英里，他觉得已经接近水平飞行的最高速度。

youdao

At two hundred fifty miles per hour he felt that he was nearing his level-flight maximum speed.

到了时速二百五十英里，他觉得已经接近水平飞行的最高速度。

youdao