恒星英语网为同学们整理了托福词汇精选之orbit，供考生参考学习。
orbit noun
[???rb?t]
the (usually elliptical) path described by one celestial body in its revolution about another
(天体等运行的)轨道;(人、组织等的)影响范围，势力范围
例句：
The orbit of this comet intersects the orbit of the Earth.
这颗彗星的轨道与地球的轨道交叉。