Rather, the transmission rate needs to be pushed down so that each malaria infection is passed on to less than one new person and the disease gradually dies out.
更进一步说,我们要使疾病传播率降低,使得每一感染病例至多仅能传染一名新患者,这样这种疾病将逐渐灭绝。
But police gradually pushed them back and secured the area.
警方渐渐把他们驱离,控制了这一区域。
A group of 100 Spanish economists had pushed for a "single contract", with employment rights that rise gradually with tenure.
一个由100位西班牙经济学家组成的团体已经开始推动一个“单独合约”计划,而且在合约期内逐步提高雇工的权利。
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