| 单词 | first sergeant |
| 释义 | first sergeant first sergeant n.（名词）The senior noncommissioned officer of a U.S. Army or Marine Corps unit, who is equivalent in rank to a master sergeant and performs administrative duties.上士：美国陆军或海军军部无委任状的处理行政事务的高级军官，相当于军士长 |
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