可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。

Some simple habits that help extend life

延长寿命的简单习惯

Health examinations and medical tests

健康检查和医疗检查

Improving life expectancy through health checks and performing medical tests is not really a way to help live longer and extend life but this is an effective way to predict more years of health.

通过健康检查和医学测试来提高预期寿命并不是真正帮助人们活得更久，延长寿命的一种方法，但这是一种预测更长寿的有效方法。

Screening and medical tests can help detect and treat illnesses early, if possible, which can help extend the life of an infected person.

如果可能的话，筛查和医学检查可以帮助及早发现和治疗疾病，这有助于延长感染者的寿命。

【知识点讲解】

expectancy n. 期待；预期

例句：

A quiver of expectancy ran through the audience.

全场引颈以待，群情鼎沸。

Tense with expectancy, I waited for my name to be called.

我紧张而满怀期望地等着我的名字被叫到。

Women have a higher life expectancy than men.

女人比男人的预期寿命长。

detect v. 发觉；察觉；探测

例句：

Do I detect a tinge of irony?

我觉得这话有点儿像反话吧?

If you read between the lines, you can detect his contrived explanation.

在字里行间，你可以看出他牵强的解释。

I seemed to detect some anger in his voice.

我似乎在他的声音中听出一些怒气。

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