老鹰用喙牢牢地叼住了鱼。

The eagle gripped the fish firmly in its ___beak.

巨嘴鸟大而鲜艳的喙使它很容易被辨认。

The toucan's large, colorful ___beak makes it easily recognizable.

啄木鸟用它强壮的喙钻入树皮寻找昆虫。

The woodpecker uses its strong ___beak to drill into tree bark in search of insects.