送交者: michiko 于 2006-6-08, 15:13:31:
回答: To michiko: 麻雀走路为什么是一跳一跳的? 由 AI 于 2006-6-08, 12:48:52:
Thanks a lot.
The first claim is relatively easily verifiable.
I'm not sure the second point explain why sparrows skip all the time, while other birds usually don't.