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
I have been learning English for three years now.
我学英语有3年了。
See you tomorrow.
明天见。
Most of the cattle farming is in North Island.
畜牧业大部分在北岛。