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
Just wonderful, Mr. Stewart.
好极了 Stewart先生。
Hey, you break it up!
喂，住手啦！
Jim couldn't decide where to go for his holidays. He didn't go anywhere in the end.
几亩决定不了去哪渡假，最终他哪儿也没去。