Mustelidae

例句：

1. 1. Mustelidae are one of the largest groups of mammals.
   猫科动物是最大的哺乳动物之一。
2. 2.The mustelids have a long history and play an important role in ecosystems.
   猫科动物有着悠久的历史，在生态系统中起着重要的作用。
3. 3. In recent years, scientists have discovered new species within the Mustelidae family.
   近年来，科学家们发现了新种的猫科动物。