burs是什么意思？

burs

• n. （多）刺果，（刺果般的）粘附物，牙钻( bur的名词复数 )；

例句

• A mile more of chastising thorns, burs and briers that catch at our clothes. 接下来的一里路，到处都有刺人的荆条，刺果和棘木钩住我们的衣服。
• Methods: The root canalroot canal orifice burs and helical drilling bits were prepared in advance. 方法: 采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管.
• He picked off the burs that had stuck to his overcoat. 他摘下粘在外衣上的刺果.