burs是名词,动词的词性n.(栗的)球苞,栗蓬,栗蒲;刺果;v.从…除去芒刺;词典bur的第三人称单数和复数;例句Then one day I saw a hunting dog in the woods, an English setter flecked with black. His tail tangled with dock burs.有一天我在小树林里看见一只长着黑色斑点的英国种塞特猎犬,尾巴上缠着几根酸模芒刺。变形原型bur。