Semimajor
axis(椭圆的)半长轴
🗣️ 情景例句
Harry, I'd love to,
Harry，我确实想去，
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？
We had a very good journey home.
我们回家的旅途很顺利。