VOA慢速英语2014.03.16 control, efforts, transition, opposite, 英语

Rebecca949

"In fact, we saw the opposite. This transition stage was characterized not just by heightened malaria risk, but also by more intervention to control the mosquito vector."她说,"实际上我们看到的恰恰相反.这个过渡阶段的特点不仅是疟疾风险加剧,还包括有更多干预措施以控制蚊虫媒介."
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