但是他的雪橇不能装下所有的东西，为了控制雪橇不至于跌落悬崖，他的心脏必须增大至之前的三倍。在这个时候不是每个人都那么幸运啊。
After the Grinch has a change of heart and tries to keep the sled from plunging off a clip, his heart must grow three sizes in order to save it. We may not all be that lucky.
Carre说：“有些运动员天生就有优势，但是在这些自行车手中，我们发现他们适应高强度训练的唯一办法就是增大心脏。”
"Some athletes have a genetic predisposition(8) to perform better, " Carre said. "But we found that in these cyclists, their hearts adapted to the hard training conditions by just getting bigger."
答：易患心脏病的人可能会增大突然死亡的风险，但是它也发生于所有年龄段的人，而且也可能发生在健康人身上。
A: a predisposition to heart disease would probably increase your risk of sudden death, but it happens at all ages and can happen to otherwise healthy people.
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