Level6 Unit3 Part2 Listening Infections Diseases 2

1.Now, a century later, we have flu vaccines that have reduced the severity of epidemics.

现在，一个世纪后，我们有了流感疫苗，可以降低流行病的严重程度。

flu vaccines

流感疫苗;感冒疫苗

severity

英 [sɪ'verətɪ]  美 [səˈvɛrɪti] 

n.严重;严格;严谨;严厉的对待

2.These vaccines need to be updated every year because the virus changes and new strains emerge.

因为病毒的变化和新菌株的出现，这些疫苗每年都需要更新。

strains: 菌株

emerge:

英 [iˈmɜ:dʒ]  美 [iˈmɜ:rdʒ] 

vi.出现，浮现;暴露;摆脱

3.What researchers fear is that a new strain of the virus will develop and cause another pandemic.

研究人员担心的是，一种新的病毒株会发展并引起另一场大流行。

4.Once an outbreak occurs, transmission of the disease will be even faster than before.

一旦爆发，疾病的传播将比以前更快。

outbreak

英 [ˈaʊtbreɪk]  美 [ˈaʊtˌbrek] 

n.（战争，怒气等的）爆发;突然发生

vi.爆发

5.An unintended consequence of our improved transportation system will be the speed at which an epidemic can spread.

一个意想不到的后果是，我们改进的运输系统的速度将是流行病传播的速度。

unintended

英 [ˌʌnɪnˈtendɪd]  美 [ˌʌnɪnˈtɛndɪd] 

adj.非故意的，无意识的

6.Experts predict that the public health systems will be overwhelmed and unable to react quickly enough.

专家预测，公共卫生系统将不堪重负，无法迅速作出反应.

overwhelm

英 [ˌəʊvəˈwelm]  美 [ˌoʊvərˈwelm] 

vt.压倒;淹没;压垮;覆盖

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1.So the best defense will be to prevent an outbreak from occurring.

因此，最好的防御措施是防止疫情爆发。

defense

英 [dɪ'fens]  美 [dɪˈfɛns] 

n.(D-)（美国）国防部，防卫，防卫物

vt.谋划抵御

2.This will require global cooperation and the sharing of data.

这需要全球合作和数据共享。

3.It may also require changes in how humans interact with animals.

它还可能需要改变人类与动物的互动方式。

4.Animals such as birds and pigs carry viruses that may mutate into a strain that can infect humans.

mutate

英 [mju:ˈteɪt]  美 [ˈmju:teɪt] 

vt.& vi.变异;突变;改变;（使某物）变化

5.Such a new strain could lead to another pandemic well before a new vaccine could be developed.

well before:之前

6.Since diseases and epidemics don't stop at national boarders, this is a global issue requiring global action.

national boarders：国籍

7.The threat of a global epidemic is another example of why we must learn to live together.

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