他们发现，虽然马来熊独自生活，但它们已经发展出一种惊人的社交技能。

They found that although sun bears live alone, they have developed a surprising social skill.

youdao

他们发现，虽然马来熊独自生活，但它们已经发展出一种惊人的社交技能。

They found that although sun bears live alone, they have developed a surprising social skill.

youdao