Semiminor axis
（椭圆的）半短轴
🧩 词语组成解析
🗣️ 情景例句
What's the exchange rate today?
今天的兑换比率是多少？
I'll go to a concert.
我要去听音乐会。
Mrs.Sawyer stays at home every day.She does the housework.
索耶夫人每天呆在家里。她料理家务。