英语词汇“theory of four roots”的翻译、意思、用法、释义-英汉汉英双解词典

单词	theory of four roots
释义	theory of four roots 四根说
随便看	karst planation surface karst plateau Karst plateau in Guizhou karst plateau mountain karst ponds karst problem karst process karst rate karst red earth karst region karst region in southwest China Karst Region of Southwest China Karst regions karst regions of Southwest China karst regularity karst regulation karst relief karst reservoir karst reservoir areas karst reservoir leakage karst resource karst ridge karst river karst roadbed Karst rock