Cancer is becoming an increasing problem in poorer countries as people live longer, thanks in part to those efforts to curb HIV, malaria and other infectious diseases.
随着艾滋，疟疾等传染性疾病得到控制，较为贫穷的国家在人均寿命有所延长的同时，也日渐受到癌症的威胁。
Cancer is a major public health problem in the United States and many other parts of the world.
在美国和世界其他许多地区，癌症是一个重大公共卫生问题。
Cancer is a major public health problem in the United States and many other parts of the world.
在美国和世界其他许多地区，癌症是一个重大公共卫生问题。
应用推荐