extraneous
01
无关的, 不必要的
unnecessary or unrelated to the matter or subject at hand
Disapproving
Formal
例子
The detective urged the witness to provide only relevant information and avoid including extraneous details that could confuse the investigation.
侦探敦促证人只提供相关信息，避免包括可能混淆调查的无关细节。
In order to improve the clarity of the presentation, the speaker decided to eliminate extraneous slides that did not contribute to the main message.
为了提高演讲的清晰度，演讲者决定删除那些对主要信息没有贡献的无关幻灯片。
02
从外部添加的, 外部附加的
physically added or attached from outside, but not originally part of the object itself
例子
Certain insects disguise themselves by attaching extraneous debris to their exoskeletons.
某些昆虫通过将外来的碎片附着到外骨骼上来伪装自己。
The robot malfunctioned due to extraneous metal fragments lodged in its joints.
机器人因关节中卡住的外来金属碎片而发生故障。
