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Pinyin/Virus
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
See also
Pinyin#Pinyin tone marking
A virus is a tiny parasite which can infect living organisms. It is made only of a nucleic acid + a protein coat. Usually the nucleic acid is RNA; sometimes it is DNA.
Bìngdú shì wēixiǎo de jìshēngchóng, kě chuánrǎn huó de shēngwùtǐ. Tā zhǐ yóu yīgè nucleic acid + yīgè dànbáizhì wàiké zǔchéng. Nucleic acid tōngcháng shì RNA, yǒushí shì DNA.
Category:Pinyin/Biology