调查结果显示，1973年英国儿童患哮喘的比率为5.5%；1988年这一数字增至12%，是过去的2倍多；到了2003年，这一数字进一步增长到27.3%，几乎是1973年的5倍，增长速度惊人。

Back in 1973, a project survey showed that 5.5 percent of children had been diagnosed with asthma.

youdao

所谓的儿童患哮喘机率增加的风险——如果有的话，只是具有统计意义。

The increased risk, if there is any, is only just statistically significant.

youdao

研究显示，具有地中海型饮食习惯的儿童患哮喘的几率降低，而一周吃三个或三个以上汉堡的儿童其患病风险显著提高。

Children who eat a Mediterranean diet have a lower risk of developing asthma, but eating three or more burgers a week is linked to a higher risk, research suggests.

youdao