单词pectoral fin
na.: 【鱼】胸鳍
【鱼类】胸鳍
A winglike organ or structure used for flying, AS the folds of skin of a flying squirrel or the enlarged pectoral fin of a flying fish.
翼状器官用于飞行的象翼一样的器官或结构。如美洲飞鼠皮上的皱褶及文鳐鱼扩大了的胸鳍
Pectoral fin: Control the way forward to maintain balance, with the other parts of the provision of our growth momentum.
胸鳍：控制前进的方向、保持平衡、配合其他部位提供上升动力。
At the moment, the male will keep the jitter, and frequent rowing pectoral fin.
此刻，雄鱼将会不停的抖动，并频繁的划动胸鳍。
separating An elasmobranch reproductive behavior wherein the male releases the pectoral fin of the female, setting her free (Ref. 35892).
行为，为雄鱼放松雌鱼的胸鳍，并放它自由（参考文献35892）。
pectoral-pelvic interspace Distance or area between pectoral-fin insertion and pelvic-fin origin.
胸腹鳍间距胸鳍嵌入处与腹鳍起点之间的距离或区域。
pectoral bud Swelling at the site of future pectoral fin; anlage of pectoral fin.
胸鳍的芽胞在未来胸鳍位置上的隆起物；胸鳍的原生细胞。
aliform Wing-like, usually in reference the pectoral fin.
翼状的翼状的，通常指胸鳍。
Study of dynamics property of mechanical pectoral fin typed under water bio-robot
机械胸鳍式仿生水下机器人的动力学特性研究
A New Method for Aging of Fish Using Simplified Histological Sections of the Pectoral Fin after Decalcification
对胸鳍棘鉴定鱼类年龄方法的技术改进——简易脱钙切片法
Sexing The first pectoral fin ray of the male is somewhat
雄性胸鳍的第一鳍条比母的粗