toothy

例句：

1. 1. The dog has a toothy grin.
   那只狗露出了一副牙齿。
2. 2.The baby had a toothy smile.
   宝宝露出了一个牙齿微笑。
3. 3. The fish had a toothy tail.
   那条鱼有一条有牙齿的尾巴。