costae

['kɔsti:]

n. [解]肋脉, 叶的主肋

词形变化

形容词: Costa Rican |

英英释义

名词 costa:

a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)

同义词：costa

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)

同义词：rib, costa

补充