详细解释:n. 毒芹
详细解释：
cow.bane
n.（名词）A perennial North American herb(Oxypolis rigidior) having pinnately compound leaves and umbels of small white flowers. 毒牛芹：一种生长于北美洲的多年生草本植物（毒牛芹） ，生有羽状的复叶，开伞状小白花 Any of several related plants, such as the water hemlock.毒芹：任一种类似植物，如毒芹