of, relating to, or due from a son or daughter 子女的;孝顺的 a display of filial affection. 孝心的流露。 ■(Biology)denoting the offspring of a cross (生)子代的;杂交后代的。 参见 F1
派生 filially adverb 语源
late Middle English: from Old French, or from ecclesiastical Latin filialis, from filius 'son', filia 'daughter'