Quinine is an effectual preventive for malaria.
奎宁是有效的疟疾预防药。
Quinine is an effectual preventive for malaria.
奎宁是有效的疟疾预防药。
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效。
The research shows that the FA-goethite coexistensive system is quite effectual in the way of controlling the heavy metal pollution of cadmium.
因此,针铁矿-富里酸共存体系对重金属镉污染具有较好的效果。
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