Costa
01
肋骨, 肋软骨
any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)
语法信息
有生性状态
无生命
形态构成
简单词
可数
复数形式
costae
02
肋骨, 叶脉
a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)
