每日英译中翻译，来自每日翻译

· 英译中

原文：

The old adage that “laughter is the best medicine” may contain an element of truth when it comes to heart health.

A study has demonstrated that having a chuckle causes the tissue inside the heart to expand – and increases oxygen flow around the body.

译文：

老话说，笑是最好的良药，这句话在心脏健康方面也许有些道理。

一项研究表明，笑能让心脏内部组织扩张，从而增加在体内四处流动的氧气。