Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/9a51edba7e11bf635d5f015296049354.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 large cavern group例句_large cavern group英汉例句_large cavern group双解例句_奇葩剧汉英词典
An ancient man-made near ground surface rock cavern group was found in Longyou County, Zhejiang Province. The 24 large caverns were excavated 2000 years ago. 浙江省西部龍遊縣的龍遊大型古地下洞室群由24 個洞室組成，該洞室群開挖於2000 年前。