The first star to have its parallax successfully measured was in 1838.
人们在1838年第一次成功测量到恒星的视差。
单词 | parallax measure |
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原声例句
Crash Course 天文篇 The first star to have its parallax successfully measured was in 1838. 人们在1838年第一次成功测量到恒星的视差。 |
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