Seyfert galaxy
[天] 塞佛特星系（等于Seyfert）
🧩 词语组成解析
n. 赛弗特星系
🗣️ 情景例句
He and my Grandpa both went there.
他和我爷爷都曾在那儿读书。
They've met with great favor home and abroad.
这些产品在国内外很受欢迎。
The city at one time must have been prosperous, for it enjoyed a high level of civilization.
这座古城肯定一度很繁荣，因为它曾享有高度的文明，