点击下方单词,选择对的这个单词
1. 太空人(主要为儿童用语)A spaceman is a male astronaut; used mainly by children.
1. a person trained to travel in a spacecraft
e.g. the Russians called their astronauts cosmonauts
Synonym: astronautcosmonaut
多通过句子记忆单词,而不是单独死记硬背。