重点讲解：
1. in shape
（身体）状况良好；（事物）情况良好；
eg. He was still in better shape than many young men.
他仍然比很多年轻人都要健康s;](PhJEw*qUTZU-8f%。
eg. Keeping your body in shape and eating healthy food can do wonders for you not only physically, but give you tremendous energy to be active and fit.
保持好你的体态，多吃健康食品会让你不仅身体看起来很棒，而且会让你有更多的精力去保持活跃健康c&f8M3C+|2#o.UdP_W。
2. come up
（太阳、月亮）升起；
eg. It will be so great watching the sun come up.
看着太阳冉冉升起将是十分美妙的事情pKA1kgUfn).。
eg. Another hour and I see the sun starting to come up in the distance.
又过了一个小时，我看到太阳开始从远方升起2^j9ymLriM。
3. build up
（使）积聚；（使）逐渐增加；
eg. The collection has been built up over the last seventeen years.
在过去的17年中，收藏的规模不断扩大HM^UhXws3|@。
eg. Lipid peroxide created by fats combined with oxygen tends to build up in the body and create aging.
脂肪和氧分结合形成的类脂过氧化物在体内累积并使人老化g.XvmNvrPh。