| 单词 | Ursids |
| 释义 | Ursids /err"sidz/, n. (used with a pl. v.) Astron. a collection of meteors comprising a meteor shower (Ursid meteor shower) visible around December 22 and having its apparent origin in the constellation Ursa Major. [URS(A MAJOR) + -ID1 + -S3] |
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