| 单词 | Vulcan |
| 释义 | Vulcan /vul"keuhn/, n. 1. the ancient Roman god of fire and metalworking, identified with the Greek Hephaestus. 2. Mil. a six-barrel, 20mm U.S. Army antiaircraft gun system mounted on an armored personnel carrier and first deployed in 1968. 3. Astron. a hypothetical planet nearest the sun whose existence was erroneously postulated to account for perturbations in Mercury's orbit. [1505-15; < L Vulcanus] |
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