Semimajor
axis(椭圆的)半长轴
🗣️ 情景例句
I guess I didn't have one, fortunately.
但我想我并没有，因为我的幸运的。
I'm willing to bet he'll lose.
我愿意赌他输。
Would you like another piece of beancurd?
再吃一块豆腐好吗？