n.宇航员;
例句:
She taught for many before she became an astronaut.
他在成为航天员前教了很多年的书.
A spacewalking astronaut ventures beneath shuttle Discovery's belly and successfully completes an unprecedented emergency repair.
一位在太空行走的宇航员冒险置身于发现号航天飞机下腹,圆满地完成了一次史无前例的紧急维修任务.
Today we tell about what astronaut Daniel Bursch wrote.
今天,我们将看看宇航员丹尼尔?伯切都记录了些什么.