慧星的英文：
comet

The comet will split up during its close approach to the sun.
这颗慧星在接近太阳时将会分裂。

Aperture:Compound lens corrected for spherical aberration and coma. Also called Aplanat.
消球差透镜:矫正球面销售量差和慧星差的复合式透镜。

Arrow:Printing fault in gravure which appears as a mark in the shape of an arrow head on the print. Also called Comet.
箭形印记:是照相凹版印刷的瑕疵。印刷品上带有像箭头的印纹。亦称慧星印记。

The Comet, for example, was really only a fancy falcon
例如，慧星型车实际上不过是一部花哨的猎鹰车而已。

An astronomer predicted the return of this comet [predicted that this comet would return].
一位天文学家预言这颗彗星将会重返。

Today, astronomers espouse the theory that comets spawn the swarms.
如今，天文学家们支持彗星产生了流星团的说法。

The Comet, for example, was really only a fancy falcon
例如，慧星型车实际上不过是一部花哨的猎鹰车而已。

A comet is at perihelion when it is closest (=very close) to the sun.
彗星最接近太阳时，它就是在近日点。

Comets move around the sun like planets, but in long oval course.
彗星象行星一样绕太阳运转，然而其轨道呈狭长的椭圆形。