pectoral fin

常见例句

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。
The eye sac, ear vesicle, heart, digestive tract, kidney, swim bladder, pectoral and tail fin were developed preferentially.
在整个发育过程中，眼、耳囊、心脏、消化道、肾脏、鳔、胸鳍和尾鳍等得到了优先发育。
Finally they tied ropes to the shark's tail fin and behind its pectoral fin, and attached these ties to the rescue vessel, which towed the shark out through the harbour estuary.
最后他们用绳子绑在鲨鱼尾鳍和胸鳍后面，把绳子绑在救援船上，将鲨鱼拖出港口。