Pinyin/RNA

RNA, short for ribonucleic acid, is a kind of nucleic acid. It is different to DNA. DNA has two strands while RNA has one strand.

RNA, ribonucleic acid de suōxiě, shì yī zhǒng nucleic acid, yǔ DNA bùtóng. DNA yǒu 2 tiáo liàn ér RNA yǒu​​ 1 tiáo liàn.