ruì / shì / rǎn / sè / shì / yī / zhǒng / cháng / yòng / de / xuè / yè / tú / piàn / rǎn / sè / fāng / fǎ瑞氏染色是一种常用的血液涂片染色方法。Wright's stain is a commonly used staining method for blood smears.