The Centers for Disease Control also suggest that sneezing and coughing into your elbow is necessary.
美国疾病控制中心也建议,对着肘部打喷嚏和咳嗽是必要的。
A large, ongoing study conducted by the Centers for Disease Control and Prevention has found 148 chemicals in Americans of all ages.
美国疾病控制与预防中心正在进行一项大规模研究,该研究发现,各年龄段的美国人体内都有148种化学物质。
Yet according to the Centers for Disease Control an Prevention, Average height—5'9" for men, 5'4"for women—hasn't really changed since 1960.
然而,根据美国疾病控制与预防中心的数据,人的平均身高(男性五英尺九英寸、女性五英尺四英寸)从1960年以来就没有改变过。
An advisory committee of the Centers for Disease Control and Prevention said there are five groups that should be vaccinated first.
VOA: special.2009.08.18
One is in the U.S.at the Centers for Disease Control, where there is a sample of variola, which is kept, you know, frozen on ice in a heavily guarded facility.
一个在美国的疾病控制中心,那有一支天花病毒的样本,冰冻后置于重重保护之下
The Centers for Disease Control and Prevention reports more than twenty-two million people suffer from asthma in the United Sates.
VOA: special.2009.07.28
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