Aavso
abbr. American Association of Variable Star Observers 美国变星观测者协会
🗣️ 情景例句
Thanks a lot.
多谢。
Mr. Li Ming is looking forward to going to America in September.
李明先生正盼望着九月份去美国。
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！