Spherics
n. 球面几何学, 球面三角学
🗣️ 情景例句
Harry, what would you like? Harry
你要什么？
It is not every couple that is a pair.
成双并非皆配偶。
No two sorts of birds practise quite the same sort of flight;
没有任何两种鸟的飞行方式是相同的。