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单词 threshing machine
释义

threshing machine

noun
A power-driven machine for separating the grain from corn or other crops.Thus twenty years after Jefferson built his first threshing machine, Albemarle County farmers had eagerly accepted such machines and were working to simplify as well as improve them....
  • During that period, he reached the conclusion that he needed to increase his production of wheat as a cash crop, increasing the potential value a threshing machine could bring him.
  • From the age of six, when he began elementary school, he began constructing steam engines, threshing machines and even a glider, in the converted attic.
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更新时间:2025/2/3 11:27:11