bird's beak

例句：

1. 1. The bird's beak is sharp enough to tear through the toughest leather.
   鸟的喙足够锋利，能够撕裂最坚韧的皮革。
2. 2.The bird's beak is used for hunting and preserving food.
   鸟的喙用于狩猎和保存食物。
3. 3. The bird's beak is a unique adaptation that allows it to catch insects in mid-air.
   鸟的喙是一种独特的适应，允许它在空中捕捉昆虫。