any of numerous small celestial bodies that move around the sun
双语例句
1. There is a maximum size that mountains can attain that gets smaller as the planetoid gets more massive.
山体能达到的高度是有限度的，而且 小行星引力越大，山体能达到的高度就越低。
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2. 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。
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3. 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。
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用作名词 (n.)
Sitchen says this planetoid named Nibiru. 西特切说这颗小行星的名字为尼比奴。
