The team reconstructed the animals' evolutionary tree and used computer models to pinpoint the domestication event, when herders in Kenya and the Horn of Africa tamed wild asses.
该团队重建了这些动物的进化树，并利用计算机模型确定了驯化事件，即大约在肯尼亚和非洲之角的牧民驯服了野驴。
survived with the help of herders.
在牧民帮助下幸存
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。