But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all.
但有一些动物的某些肌肉细胞能转化成专门的发电机，以致完全失去肌肉细胞的功能。
Moreover, they found, animals whose muscles were full of the so-called IIX fibers were able to run farther and at higher work loads than normal mice could.
他们还发现动物的肌肉中如果富含叫做IIX纤维的物质时，它们可以跑得更远，并且比普通动物能承担更强的负荷。
Scientists can agree on at least one thing, however: Radically slashing calories is a surefire strategy to increase lifespan-and it appears to work in many different types of animals.
不管怎么样，科学家至少同意一点：大量减少卡路里的准不会有错的增加寿命的办法——这在很多动物身上都有效。
Start doing work in chunks of 90 minutes, and try to take a 15- to 20-minute break after each interval, preferably spending the time looking at cute animals.
你可以开始以90分钟为间隔地工作，每两段间隔之间休息个15到20分钟。最好是把这些时间用来看看可爱的动物。
So, at the same treatment of the same dose, atenolol does not work as good as metoprolol at least in animals with heart failure.
因此，在同样剂量下进行同样的治疗，阿替洛尔的效果要比美托洛尔差，至少在心衰动物模型上如此。
She did not study at a university but she was determined to work with animals in their own environment.
她并没有在大学里读过书，但是她下定决心要在这些动物的栖息地进行研究。
Start doing work in chunks of 90 minutes, and try to take a 15 - to 20-minute break after each interval, preferably spending the time looking at cute animals.
以90分钟为时间单位进行工作，每个时间段之间休息15到20分钟。休息的时候可以看看可爱的动物们。
But, Mom, you know my work, often not at home, how about the animals and plants and flowers; you cannot just leave us alone.
可是，妈妈，你知道我的工作，经常会不在家，那些动物和花花草草怎么办，你不能就这样丢下我们不管。
But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all.
但一些动物的某些肌肉细胞能转化成一个个发电机，以致完全失去肌肉细胞的功能。
But in some animals, certain muscle cells have become so specialized as electrical generators that they do not work as muscle cells at all.
但一些动物的某些肌肉细胞能转化成一个个发电机，以致完全失去肌肉细胞的功能。
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