有时候不一定仅仅指沉重的物体,在物理领域中专指被研究的物体,就是说此时具有重量的物体均可被称为重物。
双语例句原声例句
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这些背包是为携带重物设计的。
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用尽全身力气举起重物会导致血压升高。
Straining to lift heavy weights can lead to a rise in blood pressure.
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医生说他不能举重物。
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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。
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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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So we remove the stops, and the piston moves up, and now we remove one of these weights.
我们移走挡板，活塞向上移动，移走一个重物。
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$firstVoiceSent
- 来自原声例句