This mousetrap is an ingenious device.

尽量想想不同寻常的、巧妙的解决方法。

The Marathi is an ingenious device for any student who wishes to gain balance and coordination.

在马拉是一个巧妙的装置，任何学生谁希望获得平衡和协调。

The trap made of an old tin can and some wire is an ingenious device.

这个由旧锡罐和一些电线做成的陷阱是一个天才之作。

The ingenious inventor invented a device which promoted productivity a great deal.

这位天才发明家发明了一种能大大提高生产效率的装置.