astronaut相关的词根或词缀是: astroaster

复数： astronauts

提示：点击例句中的单词，就可以看到词义解释

Former nasa astronaut ed lu heads the foundation .

前nasa宇航员卢杰为基金会的领导人。

In some spots , decades-old astronaut footprints are still visible .

在一些地点，依然可见几十年前老宇航员的脚印。

Astronaut neil a. armstrong took this photograph with a 70mm lunar surface camera .

航天员尼尔阿姆斯特朗在距离月球照相机70mm的距离拍下了这张照片。

It was the first public viewing of the firm 's astronaut a4 milking system .

这是该公司研发的宇航员a4型挤奶系统第一次面世。

Then I asked him if he thought I might make a good astronaut .

之后我问他他是否认为我可能成为一名优秀的宇航员。