| 单词 | Polaris |
| 释义 | Polaris /poh lair"is, -lar"-, peuh-/, n. 1. Astron. the polestar or North Star, a star of the second magnitude situated close to the north pole of the heavens, in the constellation Ursa Minor: the outermost star in the handle of the Little Dipper. 2. a two-stage U.S. ballistic missile, usually fired from a submerged submarine. [1955-60; short for ML stella polaris polar star] |
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