267 TED-ED 为什么有这么多不同种类的狗

狗的体型百百种，是世界上体型差异最大的物种之一，也可能是体型范围最大的物种。例如，博美犬的体重可能只有2公斤，而獒犬的体重则可能高达100公斤。那么，这究竟是为什么呢？一只狗的品种实际上代表了什么？教育家凯瑟琳·莫里尔·皮罗维奇（Kathleen Morrill Pirovich）探索了狗令人眼花缭乱的多样性。

Episode metadata supplied by the publisher feed · Published Sep 20, 2025

Embed this episode

Attribution link and audio player

NOW PLAYING

267 TED-ED 为什么有这么多不同种类的狗

0:00 4:45

1×

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

Share this episode

Similar Episodes

No similar episodes found.

Similar Podcasts

No similar podcasts found.

Frequently Asked Questions

How long is this episode of TED演讲精选?

This episode is 4 minutes long.

When was this TED演讲精选 episode published?

This episode was published on September 20, 2025.

Can I download this TED演讲精选 episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.

URL copied to clipboard!