摘要: astronaut是个复合词。naut来自希腊语的sailor. astro-: 星的、外太空的。A cosmonaut is an astronaut from the former Soviet Union. The cosmos is the universe. A dozen of hand 阅读全文
posted @ 2022-01-30 08:52 华容道专家 阅读(425) 评论(0) 推荐(0)