研究:氟化碳或减少疫苗的有效性

expose to暴露于
例句：Don't expose it to the sun.
谨防日晒。
protect from保护, 保卫
例句：An umbrella will protect you from the rain.
雨伞可以保护你不至于淋雨。

2. PFCs are used around the world to make waterproof rain gear and food containers, and are known to pollute drinking water and seafood.

be known to为…所熟知
例句：He is known to everyone in this university.
在这所大学里, 人人都知道他。

3. PFC contamination could have a significant impact on the effectiveness of global immunization efforts.

have an impact on对…有影响;对…起作用,产生效果
例句：The computer has a great impact on modern life.
计算机对现代生活产生了巨大的影响。

4. The protection is supposed to last a lifetime.

be supposed to应该,被期望
例句：Hobbies are supposed to be relaxing.
业余爱好应该是令人放松的。

5. Hotez said if PFCs do, in fact, interfere with antibodies and immune system functions, then the public health problem is going to be much worse in the urban slums of low- and middle-income countries, where exposure to these industrial chemicals can be much higher.

interfere with干预, 阻挠, 妨碍, 阻止
例句：The noise interferes with my work.
这噪音妨碍我的工作。

6. Even a modest reduction in vaccine coverage and vaccine immune responses could lead to subsequent outbreaks of childhood disease.

lead to导致, 引起
例句：An ordinary cold can soon lead to a fever.
一场普通的感冒很快便会引起高烧。

7. “We have not done enough in regard to protecting the population against these old compounds, and now we are stuck because we all have them in our bodies and we are all using them,” said Grandjean.

in regard to关于…
例句：In regard to your request for information, I regret to inform you that I am unable to help you.
关于你需要情报的事, 我遗憾地告诉你我没法帮助你。
protect against保护, 保卫
例句：You need warm clothes to protect you against the cold.
你需要暖和的衣服来御寒。

8. Critics note that since the study was done on island residents eating a mostly fish diet, it should have taken into account polyunsaturated fatty acids [PUFAs], which are found in fish and may suppress the immune system.

take into account考虑到;体谅
例句：They had to take the baby into account when they wanted to go out.
每当要外出时,他们总得考虑如何将婴孩安顿好。