| 单词 | quadrantids |
| 释义 | Quadrantids in American English (kwɑˈdræntɪdz) noun (used with a plural v.) Astronomy a collection of meteors comprising a meteor shower (Quadrantid meteor shower) visible around January 31 and having its apparent origin in the constellation Boötes Word origin [1875–80; ‹ NL Quadrant- (s. of Quadrāns, in Quadrāns (Mūrālis) (mural) quadrant, obs. constellation name) + -id1 + -s3] |
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