名词
中文翻译：军官
同义词：
['officer', 'lieutenant']
例句：
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1.He was promoted to lieutenant last year.
他去年晋升为中尉。
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2.The lieutenant led the team through the difficult terrain.
这位中尉带领团队穿越了艰难的地形。
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3. The captain had a lieutenant who was very dedicated to his duties.
船长有一位非常敬业的副官。