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 can see straight into the neighbors'backyard from here.
从这我可以直接看到邻居们家的后院。
To play a trick
戏弄
Jack is trying to cut down on smoking.
竭克正竭力戒烟。