细小 xìxiǎo tiny Definitions Defs Origin Strokes Stroke Words Sentences Sents 极细小 jíxìxiǎo infinitesimal extremely small or minute in size细小病毒 xìxiǎobìngdú parvovirus 细小病毒科 xìxiǎobìngdúkē Parvoviridae Parvoviridae, a family of animal viruses