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- inner pectoral fin sinus 胸鳍内(淋巴)窦
- 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。
- 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。
- 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
- Attached to the dolphins pectoral fin is a pinger device that allows the handler to keep track of the dolphin when out of sight. 一具声脉冲发声器安装在海豚胸鳍上，即使海豚不见踪影，操作者仍可持续追踪它的行踪。
- A small croaker (Leiostomus xanthurus) of North American Atlantic waters, having a dark mark above each pectoral fin and valued as a food and sport fish. 斑头鸽一种产于北美洲大西洋水域的喙上方有一斑点的鸟（斑头鸽），胸鳍上带有黑色斑纹，可作肉用或训练捕鱼
- One reason they thought that is because a fossilized skeleton of an ancient fish didn’t appear to have any fingers.Or at least any distinct digits in its pectoral fin. 这些科学家这样思考的一个理由是因为从一只古代鱼的化石骨骼上没有发现任何的手指，至少是在这只鱼的胸鳍里没有发现明显的手指。
- The design of a bionic underwater vehicle,which includes a centeral main module,a pectoral fin module,a caudal module and a control module is presented. 针对小型水下航行器开展了系统方案设计,系统主要包括中央主体模块、胸鳍模块、尾部推进模块及控制模块。
- A pectoral fin. 胸鳍
- Winglike pectoral fins extend along the sides of the head. 翼状的胸鳍沿头的两侧延伸生长。
- Its powerful "wings" (actually pectoral fin flaps) enable it to burst from the surface of the sea and soar several feet into the air before plummeting back to its natural home, landing with a loud slap. 它那有力的“双翼”（其实是可以拍动的胸鳍），令它得以冲出水面数?崭撸?缓笤僦刂氐摹芭尽币簧?浠厮?妗
- Adult fish are very dusky overall except with spotted caudal fin and pale yellowed pectoral fins and very inconspicuous vertical thin bars on body. 成鱼全身乌黑，尾鳍有斑点，胸鳍淡黄色，身上有极浅淡的幼条纹。
- The wild guppy is a tiny fish with a dorsal mouth and a pair of large eyes.Its pectoral fins are placed high on the body and the rounded caudal fin is slightly elongated. 野生品种体型细小，口部为顶生，眼睛圆大，胸鳍长于近背顶位置，尾鳍略长，形状圆浑。
- Oddly enough, this ventilation shift may have kicked off the gradual morphing of the shoulder girdle and pectoral fins. 奇怪的是，这呼吸上的改变有可能启动了前肢带与胸鳍的形态逐渐改变。
- The combined head, trunk and enlarged pectoral fins of some cartilaginous fishes with depressed bodies. 体盘头部,身体以及延长的胸鳍所共同形成的体盘。
- Its long pectoral fins prized for soup, the oceanic whitetip is critically endangered in many areas. 正是因为远洋白鳍鲨那长长的胸鳍是昂贵鱼翅汤的原料，所以它们在很多地方的处境都非常危险。
- Of, relating to, or being the marine teleost fishes of the order Pediculati, characterized by pectoral fins extending from an armlike process and a dorsal fin ray that serves as a lure for prey. 柄鳍目鱼的属于、有关或是柄鳍目硬骨海鱼的，以从臂状突起延伸而成的腹鳍为特征且其背鳍骨可作捕杀猎物的诱饵之用
- Any of various widely distributed marine fishes of the family Triglidae,having large fanlike pectoral fins and a large armored head. 鲂?一种分布广泛的鲂?科海鱼，有扇状的胸鳍，头部大而有甲
- I was allowed once into his inner sanctum. 我有一次获准进入他的内室。
- Her artificial gaiety disguised an inner sadness. 她以矫揉造作的快乐掩饰著内心的悲痛。
