carina

carina
[kəˈrʌɪnə, -ˈriː-]
(pl. carinae -niː 或 carinas)
  1. (chiefly Biology)a keel-shaped structure, in particular
    (主 生)龙骨状突起,尤指
    ■(Zoology)the ridge of a bird's breastbone, to which the main flight muscles are attached
    (动)(鸟的)胸骨突起,(胸骨)龙骨突起
    ■(Anatomy)a cartilage situated at the point where the trachea (windpipe) divides into the two bronchi
    (剖)隆凸,嵴状结构
派生
carinal
adjective
语源
  1. early 18th cent.: from Latin, keel'
英语宝典
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