四级I want to make sure that older adults are still able to enjoy their old age, and that they're not spending time in hospital with infections, feeling unwell and being generally weak.

我想确保老年人仍然能够享受他们的晚年，他们不会因为感染、不适和身体虚弱而住院。

2019年6月四级真题（第一套）听力 Section C

四级It is also more accurate— the rats are able to find more TB infections and, therefore, save more lives.

它也更准确——老鼠能够发现更多的结核病感染，因此拯救了更多的生命。

2017年12月四级真题（第一套）阅读 Section A

四级Although in-flight infections thrive in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.

尽管飞行中的感染在飞机等干燥环境中很常见，但由于使用了空气过滤器，你在飞机上生病的风险实际上很低。

2019年12月四级真题（第三套）阅读 Section A

四级Therefore, these new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.

因此，这些新发现将有助于飞机乘客在乘飞机旅行时减少呼吸道感染的风险。

2019年12月四级真题（第一套）阅读 Section A

六级In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.

过去，健康专家警告我们，即使是肺部感染或严重咽喉酸痛等常见问题，也很难提供医疗服务的那一天将会到来。

2017年6月听力原文

六级And, apparently, that day has come because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.

而且，很显然，这一天的到来是因为，由于这些感染的威胁迫在眉睫，膝关节置换等看似例行的手术现在变得更加危险。

2017年6月听力原文

考研If we adults could indulge in a bit of silliness and giggling, we would reduce the stress hormones in our bodies, increase good hormones like endorphin, improve blood flow to our hearts and ever have a greater chance of fighting off infection.

如果我们成年人能够沉迷于一些愚蠢和傻笑，我们就会减少体内的压力激素，增加内啡肽等有益激素，改善心脏的血流，并且有更大的机会抵御感染。

2016年考研真题（英语二）阅读理解 Section Ⅱ

六级Both strains quickly invaded local hospitals when needle sharing and other unhealthy practices ensured the rapid spreading of the infection by bringing people into contact with contaminated body fluids.

当共用针头和其他不健康的做法使人们接触受污染的体液，从而确保了感染的迅速传播时，这两种病毒很快侵入了当地医院。

2013年6月听力原文

四级So, to evaluate the risks of infection, the study team flew on 10 different flights in the US.

因此，为了评估感染的风险，研究小组在美国进行了10次不同的飞行。

2019年12月四级真题（第一套）阅读 Section A

四级So the job of the immune system is to fight infections.

所以免疫系统的工作就是对抗感染。

2019年6月四级真题（第一套）听力 Section C

四级One problem with the banned model is that the tubes connecting it to an external power source created a passage for infection.

被禁型号的一个问题是，将其连接到外部电源的管道为感染创造了通道。

1991年1月英语四级真题

考研He discovered the causes of many kinds of infections, but it was fifty or sixty years before cures were available.

他发现了多种感染的原因，但直到五六十年后才有治愈方法。

1994年全国硕士研究生入学统一考试英语试题

考研At the start of the 20th century, under-nutrition and childhood infections got in the way.

在20世纪初，营养不良和儿童感染成为了障碍。

2008年全国硕士研究生招生考试英语试题