Semiminor axis
（椭圆的）半短轴
🧩 词语组成解析
🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
In life, as in chess, forethought wins.
人生如下棋，多谋得胜利。
All the Indins over the age of 8 had to carry their permits at all times.
所有8岁以上的印度人无论什么时候都得携带许可证。