单词：muscles of head
单词：muscles of head 相关文章
The other day, when I stopped to get some free firewood, I realized that I'm not as strong as I would like to be. The owner of the tree that was chopped down, had left huge chunks of wood to be taken away. But, when I say that they were huge, I mean
英语博客 A cup of English
Some of the issues that are important if you want to have people in space for long periods of time. 如果人类想长期置身太空，有几个重要的问题不得不考虑。 One is that people will tend to lose bone and muscle mass. 其中之一就
TED演讲教育篇
Where would we be without muscles? Probably a mess on the floor. Muscles are pretty interesting things. Everybody has lots of them. Some people look after them better than others. Bodybuilders want to have really big muscles. The bigger the better. T
纯正英语一分钟
Triceratops protects itself with a bony shield called a frill. They can fend off an attacker with a pair of one-meter-long swords. Youve got to crush it. The only way to deal with this huge, curved, cantilevered, composite armor is a crushing blow wi
探索与发现2013年
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英语单词荟萃
The signs are unmistakable: the eyes water, the chest heaves, the nose twitches, the body tenses, suspense builds... until finally a sneeze blasts forth, concluding the drama. It's a momentarily paralyzing experience that can seize one at almost any
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