The point where the Earth is closest to the sun is called perihelion.The point where the Earth is farthest from the sun is called aphelion.是什么意思_The point where the Earth is closest to the sun is called perihelion.The point where the Earth is farthest from the sun is called aphelion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句