near-Earth asteroid 
(nîrûrth)
(nîrûrth)n. Abbr. NEA
An asteroid whose orbit around the sun brings it near Earth's orbit.
| 单词 | near-Earth asteroid |
| 释义 | near-Earth asteroid (nîrûrth)n. Abbr. NEA An asteroid whose orbit around the sun brings it near Earth's orbit. |
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