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
Well, that'll be eighteen dollars and seventy cents.
嗯 ，十八美元七毛。
There are seven of us altogether.
一共有7个。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。