上爪

例句：

1. 1. The dog has a big, strong nose.
   狗有一只大而强壮的鼻子。
2. 2. The cat's forelimbs are long and sharp.
   猫的前肢长而锋利。
3. 3. The bird's wings are its most powerful tools.
   鸟的翅膀是它最强大的工具。