noun 下载 🔗分享 坑，洼地，凹陷。 A pit, groove, cavity, or depression. Examples : "The dentist pointed out a small fossa on my molar where a cavity was starting to form. " 牙医指出我的臼齿上有一个小凹坑，那里已经开始形成龋齿了。 anatomy biology part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 壕沟，地堑. A long, narrow, shallow depression on the body of an extraterrestrial body, such as a planet or moon. Examples : "The satellite images revealed a long, narrow fossa cutting across the smooth, icy surface of Europa. " 卫星图像显示，一条狭长的壕沟横跨欧罗巴星光滑的冰面上，非常显眼。 astronomy geology space 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 马岛獴，马岛长尾狸 A carnivorous mammal endemic to Madagascar, Cryptoprocta ferox. Examples : "The zookeeper explained that the fossa, a unique predator from Madagascar, has retractable claws like a cat. " 动物园管理员解释说，马岛獴（一种来自马达加斯加的独特掠食者），拥有像猫一样的伸缩自如的爪子。 animal biology nature 与AI对话词汇游戏阅读练习
