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on the other hand for another in other words in addition
T淋巴细胞总数减少 T细胞亚群CD4Th／CD8Tc比例倒置，Th／Tc＜1.0 Th细胞数量显著下降甚至测不出，而Tc细胞数量可正常或增加 NK细胞数量增加 B淋巴细胞群处于正常范围
AIDS is the leading cause of death among young adults in American. Most of the new AIDS cases reported in 1993 were among minority population. There are more women than men among the AIDS patients in the United States. AIDS has a big effect on large cities.
on the other hand for another in other words in addition
on the other hand for another in other words in addition
some people have changed their sexual activity. some Americans kill people with AIDS. some Americans hate and fear people with AIDS. some Americans show sympathy for people with AIDS.
at the expense of at the risk of in the way of at the mercy of
A man with AIDS passes the disease to his wife. A pregnant woman with AIDS passes it to her baby. A doctor with AIDS passes the disease to his or her patients. A person with AIDS passes it to another person who share needles with the former to pull illegal drugs into their blood.
CD4+／CD8+比值倒置 T细胞总数下降 CD8+T细胞数量下降 B细胞功能异常 Th2细胞功能降低
CD4﹢／CD8﹢比值倒置 T细胞总数下降 CD8﹢T细胞数量下降 B细胞功能异常 Th2细胞功能降低
at the expense of at the risk of in the way of at the mercy of
CD4+/CD8+比值倒置 T细胞总数下降 CD8+T细胞数量下降 B细胞功能异常 Th2细胞功能降低
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