柯林斯詞典flame test 1. N a test for detecting the presence of certain metals in compounds by the coloration they give to a flame. Sodium, for example, turns a flame yellow 焰色試騐 返回 flame test劍橋詞典a method used by scientists to discover whether a substance contains metal ions 焰色試騐，火焰試騐法（用來(lái)測(cè)試物質(zhì)中是否含有某種金屬的方法） 返回 flame test