例句 /

But after observing more than 16,000 women for roughly five years,researchers found conclusively that hormones raise the risk of heart attack,stroke,blood clots and breast cancer.

But after observing more than 16,000 women for roughly five years,researchers found conclusively that hormones raise the risk of heart attack,stroke,blood clots and breast cancer.

但是研究人员在对16000余名妇女进行了约5年之久的观察后发现,激素确实增加患心脏病、中风、血栓和乳腺癌的风险。