点击下方单词,选择对的这个单词
名词
1. 航天员;太空人;宇航员An astronaut is a person who is trained for travelling in a spacecraft.
1. a person trained to travel in a spacecraft
e.g. the Russians called their astronauts cosmonauts
Synonym: spacemancosmonaut
多通过句子记忆单词,而不是单独死记硬背。