The digester is a tarp covered, double lined lagoon the size of five football fields. A week from now methane will cause the tarp to expand.是什么意思_The digester is a tarp covered, double lined lagoon the size of five football fields. A week from now methane will cause the tarp to expand.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句