costa

英 [ˌkɒstə]

美 [ˈkɔstə]

n.  肋，缘，中脉，前缘脉

复数：costas　

医学

BNC.8150

英英释义

noun

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

双语例句