宝宝从匍匐到手膝爬行:请问 溶洞 用英语怎么说
来源:百度文库 编辑:中科新闻网 时间:2024/05/02 19:26:05
dissovle hole
Dissolve hole
water-eroded cave
limestone caves
karst caves
Cave with stalactites and stalagmites
中科新闻网是一部内容开放、自由的互动网络百科全书
客观、专业、权威的知识性百科全书
来源:百度文库 编辑:中科新闻网 时间:2024/05/02 19:26:05
dissovle hole
Dissolve hole
water-eroded cave
limestone caves
karst caves
Cave with stalactites and stalagmites