1·She had to concentrate on flexing her pectoral muscle, or the triceps, to power the arm.
为了给手臂提供力量，她不得不用力伸缩她的胸肌或者三头肌。
2·She had to concentrate on flexing her pectoral muscle or the triceps to power the arm.
为了给手臂提供力量，她不得不用力伸缩她的胸肌或者三头肌。
3·Objective Through research of anatomy of nerves dominating pectoral muscle and intercostobrachial nerves, In design a reasonable mode of operation of curing mastocarcinoma.
目的通过对支配胸肌神经及肋间臂神经的解剖学研究，设计一个合理的乳癌手术方式。
4·Her pectoral seeper always has a relapse, must smoke ceaselessly, and her heart also has serious problem two this years.
她的胸积水总是复发，得不断的抽，而且她的心脏这两年来也有严重的问题。
5·At the peak of the movement, squeeze your pectoral muscles together for one-count if you can.
在繁忙的运动，你的胸肌挤压在一起一数，如果你能。
1·Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins.
同样，飞鱼借助胸鳍所产生的加速气流，就可以对较小的腹鳍产生一定的提升作用。
2·The species takes its name from the shape of its rostrum, where the pectoral fins split into two lobes separated by a center crease—creating a feature rather like a bovine nose.
牛鼻魟得名于其喙部的独特形状，由于胸鳍被一条中折线分割成两瓣，所以看起来就像是牛的鼻子。
3·Even smaller pectoral fins located near the back of the head are used for steering.
位于靠近头后面的更小的胸鳍用于控制方向。
4·Once airborne, they use long pectoral fins and shorter pelvic fins on the sides of their bodies to create lift, much like the wings of an aircraft.
达到空中后，他们利用身侧的长胸鳍及短腹鳍产生升力，类似于机翼。
5·He could see their wide, flattened, shovel-pointed heads now and their white tipped wide pectoral fins.
他这时看得见它们那又宽又扁的铲子形的头，和尖端呈白色的宽阔的胸鳍。