单词：ectoskeletal
单词：ectoskeletal 相关文章
A new study indicates that combining aerobics and weight lifting can help people with Type 2 diabetes keep their blood sugar levels under control. Most people probably think of diabetes control in terms of diet or insulin, but Dr. Tim Church says exe
VOA双语新闻 2010年12月
Your heart muscle does something truly incredibleit expands and contracts, non-stop, every moment of every day of your entire life. By comparison, if you tried to squeeze and release the muscles in your hand, they would grow fatigued and need to rest
英语时差8，16
By Edward Yeranian Beirut 25 September 2007 Lebanon's parliament has failed to attain the required two-thirds quorum to elect the country's next president, forcing a postponement of the electoral session to October 23. Edward Yeranian reports for the
2007年VOA标准英语（九月）
WASHINGTON, April 21 (Xinhua) -- U.S. researchers said Monday that muscle weakness from long-term alcoholism may be due to an inability of mitochondria, the powerhouses of cells, to self- repair. In research conducted with rats, the researchers found
英语新闻
The Amazing Secret Behind All Habits 21 days for a habit to sink in Habits must have positive reinforcement You must go cold turkey for a real habit to sink in Have you ever heard these myths about habits? They may not be necessarily wrong, but they
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Amazing Crab s D: What's the difference between a hard- shell ed blue crab and a soft- shell ed blue crab ? Y: Is this a trick question? D: I'll give you a hent. It has to do with the crab s skeletal system. Y: Skeletal system? You got me there, I kn
英语听力文摘 English Digest