drill instructor
短语[军事](负责士兵操练、训练或演习的)(操练)教官，军士教练员
词形变化
drill instructors
复数
drill instructors
释义与例句
n.
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1.
The generic term for the principal instructor of fresh military recruits undergoing basic training in the various branches of the United States military, routinely abbreviated to the initialism DI; always filled by enlisted personnel (a sergeant or petty officer).
美国 政治 军事Army: drill sergeant
Navy: recruit division commander
Marine Corps: drill instructor
Air Force: military training instructor
Coast Guard: company commander