自从2006年美国卫生总署发布了禁止在公共场合吸烟的禁令后，禁止吸烟的告示牌开始随处可见。
No Smoking signs started cropping up more frequently after the surgeongeneral endorsed bans on smoking in public places back in 2006.
1964年，美国卫生总署的吸烟与健康报告开始提出吸烟与健康之间的关系，并在20年后的1980年代确认了它的意见。
In 1964 the United States Surgeon General's Report on smoking and Health began suggesting the relationship between smoking and cancer, which confirmed its Suggestions 20 years later in the 1980s.
他自2002年起在美国国家卫生总署(NIH)负责统筹所有艾滋病的相关研究。
He was in the United States since 2002, the National Health Department (NIH) is responsible for co-ordination of all AIDS-related research.
他自2002年起在美国国家卫生总署(NIH)负责统筹所有艾滋病的相关研究。
He was in the United States since 2002, the National Health Department (NIH) is responsible for co-ordination of all AIDS-related research.
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