| 释义 |
〔costa〕A rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.肋骨，叶脉：肋骨或肋骨状部分，例如叶子的中脉或昆虫翼的较厚的前部线或边〔butt〕The larger or thicker end of an object:托，柄：物体较大或较厚的一端：〔pennywort〕A Eurasian plant(Umbilicus rupestris) having thick, peltate leaves and yellowish-green flowers. Also called navelwort 一种长有较厚且呈盾形的叶子和黄绿色花朵的亚欧（龙胆科小草） 植物 也作 navelwort |