| 单词 | chainsaw |
| 释义 | chainsaw (once / 57656 pages) n A chainsaw is a power tool that can quickly cut through tree trunks and branches. If a tree falls during a storm, blocking your driveway, you can cut it into pieces with a chainsaw. While a hand saw works by being manually pulled back and forth, cutting wood with its sharp metal teeth, a chainsaw's cutting power comes from a metal chain that rotates around the blade. Most chainsaws have a small gasoline-powered motor and are very portable. The original chainsaw was an early 1800s surgical tool used to cut bone; by the 1830s, the word also included saws for cutting wood. WORD FAMILYchainsaw: chainsaws USAGE EXAMPLESBut the chainsaws are usually only let loose on smaller trees, so taxpayers must cough up. Economist(Dec 15, 2016) Erickson starts up the chainsaw and begins his final cut. Los Angeles Times(Dec 14, 2016) “It was like, ‘How do you run a chainsaw?’ Washington Post(Nov 19, 2016) n portable power saw; teeth linked to form an endless chain Syn|Hyper chain saw power saw, saw, sawing machine a power tool for cutting wood |
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