gadget
noun [ C ] uk/ˈɡædʒ.ɪt/ us/ˈɡædʒ.ət/
C1 小器具;小装置;小玩意儿
a small device or machine with a particular purpose
kitchen gadgets 厨房器具
Have you seen this handy little gadget - it's for separating egg yolks from whites. 你见过这种很有用处的小装置吗——它是用来把蛋黄和蛋清分开的。