| 单词 | 护卫舰 |
| 释义 | 〔picket〕"The outlying sonar picket. . . . was to detect, localize, and engage any submarine trying to close the convoy"(Tom Clancy)“外部声纳警戒队的任务是…发现、定位和掌握任何企图靠近护卫舰的潜水艇”(汤姆·克兰西)〔corvette〕An obsolete sailing warship, smaller than a frigate, usually armed with one tier of guns.平甲板帆舰：一种旧式帆舰，比护卫舰小，通常装有一层炮〔corvette〕A fast, lightly armed warship, smaller than a destroyer, often armed for antisubmarine operations.护卫舰：一种轻型武装的迅速战斗舰，比驱逐舰小，常为反潜水军事行动而配有武器 |
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