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
tomatoes, lettuce, cucumbers, and onions.
蕃茄 莴苣 黄瓜 洋葱 。
The newsboy throws his papers in the wrong place.
报童把报纸投错了地方。
but ten months later, she received a letter from a girl in Holland.
但10个月以后，她收到了荷兰一位姑娘的来信。