刀耕火种

nà ge piān pì shān qū guò qù céng shì dāo gēng huǒ zhòng

那个偏僻山区，过去曾是刀耕火种。

In those remote mountains people used to farm by the slash and burn method.

dāo gēng huǒ zhòng nóng yè

刀耕火种农业

slash-and-burn agriculture

tā men yú liè hé dāo gēng huǒ zhòng de xí xìng tōng cháng huì pò huài tā men de shēng cún huán jìng

他们渔猎和刀耕火种的习性通常会破坏他们的生存环境。

Their habits of hunting, fishing, and slash-and-burn cultivation often have been harmful to the habitat.