Semiminor axis
（椭圆的）半短轴
🧩 词语组成解析
🗣️ 情景例句
They have to be here.
它们肯定就在这儿。
He is not fit to command others that cannot command himself.
正人先正己。
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。