noun 下载 🔗分享 三趾树懒 A type of three-toed sloth, Bradypus tridactylus, endemic to forests of southern Venezuela, the Guianas, and northern Brazil. Examples : "A conservation group is studying the ais in the Amazon rainforest to learn more about its habits. " 一个环保组织正在研究亚马逊雨林中的三趾树懒,以便更多地了解它们的生活习性。 animal biology nature organism environment 与AI对话词汇游戏阅读练习