【词汇讲解】
1. Centers for Disease Control and Prevention 美国疾病预防控制中心
The Centers for Disease Control and Prevention (CDC) suggests that adults eat a healthy breakfast, drink 100 percent fruit juice and load their diets with fruits and vegetables.
疾病控制和预防中心建议，成人应该吃一份健康的早餐：喝100％纯的果汁，食谱主要是水果和蔬菜。
2. hospitalization n.医院收容，住院治疗
The cruel blow came all of a sudden,and it wrecked my body and mind,which resulted in my hospitalization.
突如其来的残酷打击，摧残了我的身心，我住进了医院。
3. combat n. 战斗，格斗，斗争 vt. 与……战斗，与……斗争
He was awarded a cross for gallantry in combat.
他因在战斗中表现英勇而被授予十字勋章。
The police are now using computers to help combat crime.
警方现在使用电脑打击犯罪活动。
4. surpass vt. 超过；优于；多于；非……所能办到
He surpassed all his rivals.
他比他的所有对手都强。
5. nonessential adj. 非本质的；不重要的
Something nonessential but desirable that contributes to an effect or result.
附件，配件非必需的，然而为了达到一效果或结果又是希望得到的
6. quarantine n. (人或动物生病之后被隔离的)检疫期 vt. 对……进行检疫隔离
Strengthening animal quarantine?
加强动物检疫工作。
7. dust off (长期搁置后)重新使用〔温习〕
Four years after he graduated from school, Tom decided to dust off his algebra book.
汤姆从学校毕业四年后, 决意重温代数。
8. thermal scanner 热扫描仪
9. wary adj. 谨慎的；小心翼翼的
He is wary of strangers.
他提防生人
10. shut down 完全关闭
The shop has shut down because of lack of trade.
那商店因生意萧条而停业
【句型和语法】
1. the World Health Organization moved one step closer to declaring a pandemic.
世界卫生组织(World Health Organization)也将全球警报的等级又上调了一级。
move one step closer to...“与……更近一步”，在本句中是指将全球警报等级上调一级。
2. 'CDC officials earlier had said there had been just one person hospitalized
该中心一位官员此前曾说，只有一人住院治疗
hospitalized 住院；住院的
例如：The nurse has the care of ten patients hospitalized.
这位护士要照料10个住院的病人
3. raise its global alert to phase 4 from phase 3
将全球流感大流行警报级别从3级调高到了4级
我们最近经常听到世界卫生组织发动全球警报，那么，“发动……的警报”的英文表达方法是"sound the alarm about"
在这里，将全球警报级别调高为"raise global alert"
