双语例句原声例句
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这种收缩产生了越来越多的热量。
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然而，这种收缩远远不能反映它们生意兴隆。
This contraction, however, is far from reflecting the health of overall business—which is booming.
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为了防止这种收缩，研制了延迟性膨胀水泥。
In order to prevent such shrinkage, a delayed-expansion cement was studied and produced.
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One class of them is beta-blockers, they bind to beta-adrenergic receptors, which are receptors that exchange information between your nervous system and the contractile system that beats your heart and that causes the heartbeat.
一类药物是β阻断剂,它们与β肾上腺素受体结合,这种受体能够在神经系统和,控制心跳的心肌收缩系统之间传递信息,从而产生心跳
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