品, 治疗法;
外;Quinine is an effectual preventive for malaria.
奎宁是有
疟疾预防
。
, 收Quinine is an effectual preventive for malaria.
奎宁是有疟疾预防。
They are almost as expeditious and effectual as Aladdin’s lamp.
他们几乎像如意神灯那么迅速有。
The research shows that the FA-goethite coexistensive system is quite effectual in the way of controlling the heavy metal pollution of cadmium.
因
，
矿-富里酸共存体系对于控制重金属镉污染具有较好果。
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