电锯an electric saw (= a tool with a blade or sharp points, used for cutting hard materials, such as wood or metal)
A man with a power saw was cutting up the big branch. 一个拿着电锯的人正在切割那根粗大的树枝。
We recommend you treat your cooker with the same caution as a power saw. 我们建议你像使用电锯一样小心地使用你的炊具。
Compare: handsaw