In carrying out its various duties, RNA can take the form of a double helix that resembles DNA or of a folded single strand, much like a protein.是什么意思_In carrying out its various duties, RNA can take the form of a double helix that resembles DNA or of a folded single strand, much like a protein.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句