the dispersion of fungicides or insecticides or fertilizer on growing crops (often from a low-flying aircraft)
同义词：spraying
crop-dusting详细解释
crop-dust.ing n.（名词）The process of spraying crops with powdered insecticides or fungicides from an airplane.农作物喷粉：从飞机上向农作物喷洒粉末状杀虫剂或杀菌剂的过程 【引伸】 crop.-dust. v.（动词）
