GUARDIAN | Science
Back-scratching bovine leads scientists to reassess intelligence of cows
背部抓挠的牛促使科学家重新评估牛的智力

Veronika scratching her back with a stick.
2026-01-19 760词 中等
Wiegele, who said Veronika recognised family members’ voices and hurried to meet them when they called, began playing with pieces of wood years ago, then worked out how to scratch herself with sticks.
免责声明:本文来自网络公开资料,仅供学习交流,其观点和倾向不代表本站立场。