单词：annular nebula
annular nebula的用法和样例：
例句
- If you like finding hidden pictures, get set to find a Coathanger, the North Amercican Nebula and Ring Nebula.如果你想看些不是那么明显的画面，你可以用双筒望远镜看到狐狸座的星群，北美星云和环状星云。
单词：annular nebula 相关文章
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