a small hard ball of any substance, often of soft material that has become hard 小球；团粒；丸 food pellets for chickens 团粒鸡食 owl pellets (= the dried waste material from owls) 猫头鹰颗粒 slug pellets (= to kill slugs) 鼻涕虫丸
a very small metal ball that is fired from a gun 小弹丸 The cat had been hit by an airgun pellet. 这只猫被气枪子弹击中了。
Word Originlate Middle English: from Old French pelote ‘metal ball’, from a diminutive of Latin pila ‘ball’.