| 单词 | Polaris |
| 释义 | Polaris From Longman Dictionary of Contemporary EnglishPolarisPo‧la‧ris1 /pəˈlɑːrɪs $ -ˈlæ-/a ballistic missile (=a flying weapon) fired from a submarine, which was developed in the US in the 1950s and 1960s and is a nuclear weapon. Polaris missiles were kept by the military forces of the US and the UK until the 1990s, when they were replaced by Trident missiles.PolarisPolaris2another name for the Pole Star |
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