下面小编跟大家一起了解雅思口语Part3主题讲解分享，希望对大家的学习有所帮助。
　　dislocateone's jaws下巴脱臼
　　We found people with heart rhythm disturbance which had stopped their heart, we found people who had fainted, we found people whose gullets had burst, we found people who'd dislocated their jaws or burst their lungs.我们发现它会扰乱心率，使一些人心脏停止跳动；我们发现它使一些人晕厥；我们发现它使一些人的食道破裂；我们还发现它使一些人下巴脱臼或者肺脏破裂。
　　laughreally hard笑得特别厉害
　　And - I think you'd have to be laughing really hard to do this - to get a dislocated jaw.另外，我想人得笑得特别厉害时才会出现下巴脱臼。
　　use up about 2, 000 calories消耗2千卡路里
　　For example, it's said that laughing for quarter of an hour will burn up 40 kcal, and if you laughed all day you'd use up about 2, 000 calories.比如，据说笑15分钟会消耗40千卡的热量。如果你笑一整天的话，你会消耗2千卡路里。
　　help you lose weight帮你减肥
　　That's more like it! Laughing can help you lose weight, because you use energy when you laugh.这才对嘛！笑可以帮你减肥，因为笑的时候会消耗能量。
　　reduce the chance of having a heart attack降低得心脏病的风险
　　He also thinks laughing makes people feel better, and it can reduce the chance of having a heart attack.他还认为笑能让人们心情变好，还可以降低得心脏病的风险。