然而这种方法后来被证明不是那么有效。
The method could well prove effective in defining broad areas of uranium favourability.该法在圈定大面积的铀成矿有利区方面可能是有效的。
Drugs that activate potassium channels in neurons might prove effective in treating Alzheimer's disease, new research suggests.一项新的研究表明,激活神经元上钾离子通道的药物证明对治疗阿尔茨海默症有效。