any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
planetoid 片语
片语
asteroid星状的
double planetoid双行星
asteroid planetoid小行星
minor planet asteroid planetoid小行星
planetoid d小行星
artificial planetoid人造小行星
planetoid 例句
英汉例句
the mars-sized planetoid is impacting the earth.
火星般大小的行星正在与原始地球相撞。
due to the dragging force, trajectories of spacecraft circling planetoid can departure from the standard taper curve orbit which is obtained by the two-body hypothesis.
绕小行星运行的航天器由于受到摄动力的影响,运行轨迹会偏离二体假设下的圆锥曲线轨道。
there is a maximum size that mountains can attain that gets smaller as the planetoid gets more massive.