Semimajor
axis(椭圆的)半长轴
🗣️ 情景例句
I am so happy for you both.
我真为你们俩感到高兴。
Thinks one way, but acts another.
表里不一。
Just let me wipe your table and then I'll take your order. OK?
让我先吧桌子擦擦再听您点菜好吗？