Semimajor axis
（椭圆的）半长轴
🧩 词语组成解析
axis(椭圆的)半长轴
🗣️ 情景例句
I sure do....
我当然记得……
What will you have for breakfast tomorrow morning?
你明天早上早餐将有什么？
The most frightening thing of all was that not a sound could be heard.
最令人害怕的是到处没有一点声音。