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 think we should move, I don't feel safe in this neighborhood anymore.
我想我们应该搬家，在这样的邻里关系中我感到不安全。
In every beginning think of the end.
思前顾后。
Then in 1989, twenty-six years after the crash, the plane was accidentally rediscovered in an aerial survey of the island.
于是，到了1989年，飞机失事26年后，在对小岛的一次航空勘查中那架飞机被意外地发现了。