同根派生 英汉例句The author also found differences in leaf shape, leaf size, leaf base, and leaf vestiture between adult and juvenile individuals of T. orientalis are ontogenetical variations. 而山黄麻的成株与幼株常在叶形、叶的大小、叶基、叶上下表面被毛程度有差异，为个体发育上的变异。