noun 下载 🔗分享 刀铧，刀形犁刀。 A knife or cutter attached to the beam of a plow to cut the sward, in advance of the plowshare and moldboard. Examples : "The farmer checked the plow, ensuring the colter was sharp and properly positioned to slice through the tough sod ahead of the plowshare. " 农夫检查了犁，确保刀铧锋利且位置正确，以便在犁铧前切开坚硬的草皮。 agriculture machine utensil 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 犁刀, 开沟器 The part of a seed drill that makes the furrow for the seed. Examples : "The farmer adjusted the colter on the seed drill to ensure it was making furrows deep enough for the wheat seeds. " 农夫调整了播种机上的开沟器 (犁刀)，以确保它挖出的沟壑足够深，能让小麦种子播入其中。 agriculture machine part technical item 与AI对话词汇游戏阅读练习
