traction engine
US /ˈtræk.ʃən ˌen.dʒɪn/
UK /ˈtræk.ʃən ˌen.dʒɪn/
1.
牵引机, 蒸汽机车
a steam-powered vehicle used for pulling heavy loads or for driving farm machinery, especially in the late 19th and early 20th centuries
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The old traction engine chugged slowly down the road, pulling a large threshing machine.
那台旧牵引机拖着一台大型脱粒机，缓慢地沿着道路行驶。
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Many enthusiasts restore and showcase vintage traction engines at agricultural shows.
许多爱好者在农业展览上修复并展示老式牵引机。