a device or control that is very useful for a particular job
同义词：contraption??/??contrivance??/??convenience??/??gadget??/??gizmo??/??gismo??/??widget
durable goods for home or office use
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。