narrow feathers and weak flight muscles suggest it was not a powerful flier.
狭窄的羽毛和柔软无力的飞翔肌暗示孔子鸟并非是个高超的飞行大师。
If so, breakdown of their flight muscles may prevent them reaching their destiny.
即使如此，飞翔肌肉的衰竭，可防止它们再次迁飞。
The flight muscles of insects could not function nearly as effectively without such a quick means of oxygen delivery.
如果没有这种可以快速输送氧气的方法，昆虫这些可以飞行的肌肉组织几乎不能有效地起作用。
Given that the flight muscles usually contain about 0.35% glycogen by weight, calculate how long a game Bird can fly.
因为通常飞翔肌中含有大约0.35%的糖原，计算猎鸟能飞多长时间？
This present paper dealt with the method of study on the fluidity of mitochondrial membrane from housefly flight muscles using DPH as a fluorescence probe.
本文探讨了用DPH作为荧光探剂，研究家蝇飞翔肌线粒体膜脂流动性的方法。
Flight is the form of locomotion that puts the greatest demands on muscles.
飞行是对肌肉要求最高的运动形式。
The two insects have complex flight mechanisms with major muscles in the thorax, the chest region, which power the flapping of wings.
这两种昆虫的飞行机理比较复杂，胸部长有较多肌肉，这样它们才能有力量振动翅膀。
In addition, the ostrich muscles developed, sternum flat again, and on the flight did not help.
另外，驼鸟的肌肉不发达，胸骨又平平的，对飞行都没有帮助。
Flight is the form of loco-motion that puts the greatest demands on muscles.
飞行是对肌肉要求最高的运动形式。
Intimately involved in the fight or flight response, the psoas can curl you into a protective fetal ball or flex you to prepare the powerful back and leg muscles to spring into action.
与我们的自我保护意识紧密相连的腰肌可以让我们面临危险时收缩卷曲进入自我保护的胎儿状态，或是伸展延长来支援坚实的背部和腿部肌肉来处于战斗的状态。
Scientists still struggle to understand the physiology of avian flight, but light bones and an intricate collaboration among chest and wing muscles appear essential.
科学家们仍在努力研究鸟类的飞行原理，但轻盈的骨架以及胸脯与翅膀肌肉之间的复杂而精妙的协调似乎必不可少。
Schistucerca has well-developed indirect flight-muscles with the usual functions.
沙漠蝗的间接飞行肌极为发达，具有通常的功能。
Schistucerca has well-developed indirect flight-muscles with the usual functions.
沙漠蝗的间接飞行肌极为发达，具有通常的功能。
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