noise and vibration control
基本释义
噪音与振动控制
实用场景例句
日常对话
As the onlooker, I couldn't help but feel sympathetic toward the injured cyclist on the road.
作为旁观者，我忍不住对路上的受伤自行车手感到同情。
校园生活
The onlooker crowd gathered around the stage during the graduation ceremony to cheer the graduates.
毕业典礼期间，观众群聚集在舞台上为毕业生加油。
社会评论
The onlooker effect often discourages individuals from helping in emergencies, a phenomenon studied in social psychology.
旁观者效应常阻碍个人在紧急情况下提供帮助，这是社会心理学研究的现象。
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