Scientists hae already found out how the methyl groups are attached. The reerse process of demethylation, howeer, has been poorly understood so far.是什么意思_Scientists hae already found out how the methyl groups are attached. The reerse process of demethylation, howeer, has been poorly understood so far.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句