单词 | coulter |
释义 | coul·ter or col·ter (kōltər) n. A blade or wheel attached to the beam of a plow that makes vertical cuts in the soil in advance of the plowshare. [Middle English culter, from Old English culter and Old French coltre, both from Latin culter, knife, plowshare; see skel-1 in the Appendix of Indo-European roots.] coulterround coulter blade (left) in front of a moldboard |
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