Apocenter
[天]远心点, 卫星在椭圆轨迹上离主星的最远点
🗣️ 情景例句
Oh, it's so good to see you!
噢 看到你真是太好了。
To love and to be loved is the greatest happiness of existence.
爱人和得到人爱是人生最大的幸福。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。