power tool

英文解釋：

名詞 power tool:

1. a tool driven by a motor

例句：

1. Any of various hand or power tools with fixed or adjustable jaws for gripping, turning, or twisting objects such as nuts, bolts, or pipes.
   扳手一種有固定或可調整的鉗口的手用或機械工具，用來咬合、轉動或扭轉如鏍釘、鏍銓或管子的物體