n.长牙；獠牙；尖形物
v.以牙刺戳；以牙掘
The second blind grasped one of the elephant's tusks and felt it. 第二个瞎子抓住了一个象牙，摸了摸它。
The wild boar had its tusk sunk deeply into a tree and howled desperately. 野猪的獠牙陷在了树里，绝望地嗥叫着。
n.长牙；獠牙
名词tusk的复数形式.
n.有长牙的象
