電鋸, 鏈鋸
a portable power-driven saw with a rapidly rotating chain of cutters, used for felling trees or cutting timber
:
• He used a chainsaw to cut down the old oak tree.
他用電鋸砍倒了那棵老橡樹。
• Always wear safety gear when operating a chainsaw.
操作電鋸時務必佩戴安全裝備。