noun 下载 🔗分享 丘陵,垣。 A hill or ridge with a gentle slope on one side, and a steep slope on the other. Examples : "The children enjoyed rolling down the gentle slope of the cuestas, but struggled to climb back up the steep side. " 孩子们喜欢从丘陵缓和的一面滚下来,但是爬陡峭的那一面却很费劲。 geology geography nature 与AI对话词汇游戏阅读练习