形容詞 orbital:

1. of or relating to an orbit
2. of or relating to the eye socket

1. The decrease in orbital altitude of an artificial satellite as a result of conditions such as atmospheric drag.
   能量消減人造衛(wèi)星由于大氣阻力等的作用結(jié)果，在軌道高度上能量消減
2. Take the London orbital.
   走倫敦外環(huán)路。

or.bit.al

adj.（形容詞）
Of or relating to an orbit.
軌道的：屬于軌道的或與軌道有關(guān)的
n.（名詞）
The wave function of an electron in an atom or molecule, indicating the electron`s probable location.
軌函數(shù)：描述原子或分子中某個電子運動波函數(shù)，它可指出電子的可能位置