The little beaver provided for them, so they are grateful. :)

来源: 于 2021-07-01 09:04:28 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Beavers are known for being diligent and hardworking in the US.   The official mascot of MIT is Tim the Beaver in recognition of beavers' mechanical and engineering skills.