be supernumerary
The third officer was considered supernumerary.
第三名军官被认为是多余的。
数量上多于......；超出规定或标准数量的；多余的,额外的。；超出必要的；冗余的。；超过需要、想要或要求的
More than the usual, needed, or required number; extra or redundant.
数量上多于......
Greater in number than.
超出规定或标准数量的；多余的,额外的。
Beyond the prescribed or standard amount or number; excess, extra.
超出必要的；冗余的。
Beyond what is necessary; redundant.
超过需要、想要或要求的
more than is needed, desired, or required
The company hired a supernumerary assistant even though the department was already overstaffed.
公司雇佣了一名多余的助理，尽管该部门已经人员过剩。
用法提示：supernumerary 在此处作形容词，表示‘多余的、超出所需数量的’，修饰 assistant。
AI contextual example
During the event, there were supernumerary chairs that remained unused.
活动期间，有多余的椅子未被使用。
用法提示：supernumerary 作为形容词，表示‘额外的、超出标准数量的’，修饰 chairs。
AI contextual example
He found his role in the committee was supernumerary; his suggestions were never considered.
他发现自己在委员会的角色是多余的；他的建议从未被考虑过。
用法提示：supernumerary 作形容词，表示‘冗余的、不必要的’，修饰 role。
AI contextual example
The third officer was considered supernumerary.
第三名军官被认为是多余的。
After the merger, many positions became supernumerary.
合并后，许多职位变成了闲职。
常用于正式或书面语境。
The committee deemed the extra equipment supernumerary.
委员会认为额外的设备是多余的。
supernumerary 特指额外的人员或角色，尤指临时或非必需的；superfluous 泛指任何多余或不必要的东西。
supernumerary 指数量上的额外；superficial 指深度上的浅显或不深入。
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