Early troubles with stadiums appear to have been resolved for the most part — at least until Wednesday, when part of a false ceiling collapsed at a weight-lifting venue.
早先体育馆的问题似乎已经解决了大部分-至少在周三之前,当举重馆的一部分吊顶天花板发生倒塌时。
It's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddlewheel.
这是一个很简单的问题,通过观察重量是多少以及它下降了多远,来确定桨轮做了多少功。
Stop smoking and munch right to help your body stay at a healthy weight.
戒烟和慢慢咀嚼可以帮助你保持健康体重。
Being in a warmer environment,up to a point, will lead to decreased energy expenditure and therefore, at the same amount of food intake,weight gain."
VOA: special.2010.12.21
So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.
好,让我们看看重物的质量,以及它下落的距离,就知道桨轮做了多少功。
now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn.
机械装置的时候,我真的很着迷,你可以想象,当重物掉落的时候会带动桨轮旋转。
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