| 单词 | officer of the day |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔parole〕A password used by an officer of the day, an officer on guard, or the personnel commanded by such an officer.口令，暗号：执勤军官、卫兵或由这类军官任命的人员使用的口令美国传统 |
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