Cepheids
(cepheid 的复数) 造父变星
🗣️ 情景例句
Would you be able to come over Saturday night?
星期六晚上能过来吗？
Poor and content is rich and rich enough.
人能安贫就是富。
You can imagine how useful this is, particularly in countries like China and Japan, which use written characters not letters.
你可以想像得到，特别是在中国和日本这些使用文字而不是字母的国家，这是多么有用处！