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- Anaerobic exercises improve muscle strength or build up speed. 无氧运动增强了肌肉的力量，加快了运动速度。
- Such exercises as weight-lifting are anaerobic, which require brief spurts of intense effort. They improve muscle strength or build up speed. 比如举重就是无氧运动,他需要短时间内用力屏气,这种运动增强了肌肉的力量,加快了运动的速度。
- Such exercises as weight-lifting are anaerobic， which require brief spurts of intense effort. They improve muscle strength or build up speed. 比如举重无氧运动，他需要短时间内用力屏气，这种运动增强了肌肉的力量，加快了运动的速度。
- Then I begin to build up speed. 然后我会开始加速。
- The leading car disturbs the air and does all of the work, the following car (travelling in a nice pocket with almost no wind resistance) is not inhibited and can build up speed faster than normally possible. 前车驱赶走了空气，后车在几乎没有空气阻力的空洞里行驶，从而可能获得比平常更快的速度。
- The cars got up speed on the straight. 汽车直驶时加快了速度。
- He have build up his own business. 他逐步建立了自己的公司。
- She was studying to build up her algebra. 她在学习以提高自己的代数水平。
- He tried to build up his strength. 他试图增进体质。
- The facts added together to build up an indisputable theory. 这些事实综合起来，构成了一个无可争辩的理论。
- Gradually they will build up a varied, well-balanced vocabulary. 他们将逐步积累起一批内容多样，比例适当的词汇。
- The train began to pick up speed(= go faster). 火车开始加速。
- Cindy could not build up her business, but she held her own. 辛迪不能扩展业务，但她维持原状。
- The village has been built up since I lived here. 我在这里住过，从那时起，这个村子已经盖满了房子。
- The bus picked up speed quickly. 汽车立刻加快了速度。
- The building must have been built up by now. 那幢大楼此时一定已经建成。
- We picked up speed as we went downhill. 下山时我们的速度加快了。
- The factory has built up reserve fund. 这个工厂已积累了后备基金。
- The train is slackening up speed. 火车在减速。
- Eventually, these books will build up into a fine library. 最终，这些书集聚成为一间很好的藏书室。
