Semiminor axis
（椭圆的）半短轴
🧩 词语组成解析
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
The Christmas tree is gorgeous.
圣诞树真华美。
It's not his work that bothers me; it's his attitude.
困扰我的不是他的工作，而是他的态度。