To make beating heart muscle, researchers needed to figure out just which cells were the ones that they needed.

为了制造出肌细胞组织，研究者们需要弄清楚那些前体细胞是必要的。

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What's the point in living a permanently stressed-out, albeit successful, life, if one drives away friends and loved ones, and dies of a heart attack at an early age?

如果一个人长期过着一种虽然成功但压力过重的生活，众叛亲离而且由于心脏病发作英年早逝，这又有什么意义呢？

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As it turns out, dads are the ones taking their child's departure to heart.

结果往往是，爸爸是那个带领孩子的心灵出发的人。

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My heart goes out to those across the region who lost loved ones, homes, and businesses.

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You will find yourself in the midst of a sensory assault as you soak up the aroma of roast chicken and bratwurst, pick out a colourful gingerbread heart to take home to your loved ones and avert your gaze from the pimply-faced teen who has had one beer too many.

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