学习驾驶航天飞机在许多方面是过去宇航员训练的中心内容。

Learning to pilot the space shuttle was in many ways the centerpiece of past astronauts' training.

youdao

学习驾驶航天飞机在许多方面是过去宇航员训练的中心内容。

Learning to pilot the space shuttle was in many ways the centerpiece of past astronauts' training.

youdao