双语例句原声例句
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This involves stimulating both the left and right sides of the heart, in order to synchronise their contraction. That, in turn, improves the pumping action.
此类治疗通过对心脏左右两部分的刺激来实现二者的同步收缩，进而改善心跳。
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An electrical wave traverses the heart each time it beats, co-ordinating the contraction and relaxation of the chambers that pump blood around the body.
随着心室的收缩和舒张将血汞到了全身，心脏跳动一次，电波横穿心脏一次。
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Magnesium is necessary for muscle contraction, heart rate regulation, and muscle growth. Strenuous exercise can rapidly deplete the body's stores of magnesium; supplements are often helpful.
镁是肌肉收缩、生长和心跳速度正常的必要物质。高强度的运动会快速消耗身体中的镁。镁补充剂因此很有益。
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We're going to come back and talk about the action potential a little bit more when we talk about how the heart works, because the heart when its contracting, the muscle cells also use action potentials to initiate contraction.
我们讲心脏工作原理时,会回头再多讨论一点动作电位,因为心脏收缩时,肌肉细胞也利用动作电位来启动收缩
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