companion star造句怎么写

Throughout the desert, we baited lion bait containing a large number of Sirius companion stars.

When the companion star runs around the main star, it alternates toward the earth or away from the earth.

As a companion star orbits its primary, it alternately approaches and recedes from the Earth.

It is likely that the companion star in47 Tuc W- a normal star with a mass greater than about an eighth that of the Sun- is a new partner, rather than the companion that spun up the pulsar.