(informal)a gadget or mechanical device, in particular (非正式)小装置,小机械,小玩意,尤指 ■(Computing)a component of a user interface which operates in a particular way (计算机)窗口小部件 ■(in some beer cans) a plastic device which introduces nitrogen into the beer, giving it a creamy head in imitation of draught beer (某些啤酒听子上)(用来向啤酒内导入氮的)塑料装置
语源
1930s (originally US) : perhaps an alteration of gadget