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小玩意儿；小装置
A gizmo is a device or small machine which performs a particular task, usually in a new and efficient way. People often use gizmo to refer to a device or machine when they do not know what it is really called.
例句
...a plastic gizmo for holding a coffee cup on the dashboard.
汽车仪表盘上放咖啡杯的塑料装置