Macrodynamics
宏观动力学
🗣️ 情景例句
Did you sleep soundly last night.
你昨晚睡得好吗？
It's up to you.
由你决定。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远