1、This radio knob is gone, but you can try to find a doohickey thing to use as a knob.
這個(gè)收音機(jī)的鈕不見(jiàn)了，不過(guò)你可以試著找找有沒(méi)有小零件能夠作為它的鈕。

2、Now I am smoking a plastic doohickey known as "no. 9," an electronic cigarette.
我現(xiàn)在吸的是塑料裝置的被稱為9號(hào)的一種電子香煙。

3、Repeat is the doohickey of the memory.
重復(fù)是記憶的竅門。

doohickey翻譯