Aavso
abbr. American Association of Variable Star Observers 美国变星观测者协会
🗣️ 情景例句
for a long time,
很久了，
No wonder you're so experienced.
怪不得你这么有经验。
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。