However, the rotation part of chain-saw will be kickback, when it is impacted by rigid object.
但是链锯在工作状态下如果遇到刚性物体，链锯转动部分会反冲。
2
"We were sampling with the largest chain saws we could find — a chain-saw bar of seven feet," he said.
“我们用上了能找到的最大的链锯进行取样——锯片长达7英尺，”他说道。
3
Born in the remote Amazon town of Canutama, a notorious hotspot for illegal deforestation, Barbosa used to work for the loggers as a chain-saw operator.