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pectoral fin

美 /ˈpektərəl fɪn/
  • 胸鳍：鱼类身上对应于四足动物前肢的鳍之一。

双语例句

  1. The first pectoral fin ray of the male is somewhat thicker than that of female.
    第一胸鳍曙光男是有点粗多于女生。
  2. Dorsal fin, tail fin and fat fins slightly yellow, pectoral fin, and ventral fin Tunqi gray.
    背鳍、脂鳍和尾鳍稍带浅黄色，胸鳍、腹鳍和臀鳍灰白色。
  3. The ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs.
    在机器鱼的升潜试验中论证了胸鳍不同转角对升潜运动的影响。

网络短语

  • tribasal pectoral fin
    三基胸鳍
  • origin of pectoral fin
    胸鳍起点
  • inner pectoral fin sinus
    胸鳍内窦
  • pectoral fin spine
    胸
  • hūngkèih pectoral fin
    胸鳍

英英释义

  • n.either of a pair of fins situated just behind the head in fishes that help control the direction of movement