petiole基本解释
n,[植]叶柄；柄部,同近
Light green, elliptical, very thin, long flexible petiole. Usually single crown. Large..亮绿色椭圆型很薄的叶子，长而有弹性的叶柄。通常单个顶芽。大型。
叶柄, 柄部英释中释nthe stalk by which a leaf is attached to the rest of the plant
