双语例句原声例句
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但实际上，如果物品数量不够会发生什么？
But in reality, what should happen if item is not available?
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我的试管数量不够。
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第一，旧机种的小画面上一次出现的资讯数量不够。
First, with the old model's small screen, the amount of information which appeared at one time was insufficient.
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So, if we want to go from that stable state to that less stable state, we need to put in a certain amount of energy to our system, that difference between the free electron and the electron bound to the metal.
所以，如果我们想使电子,从稳态到达不够稳定的状态，我们需要引入一定数量的,能量到系统中，即自由电子和束缚于金属的,电子的能量差。
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