strength·en

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【释义】：

vt．加强，增强，巩固：strengthen Party leadership加强党的领导．strengthen the unity between the army and the people加强军民团结．strengthen ideological revolutionization加强思想革命化．strengthen preparedness against war加强战备．strengthen national defence巩固国防．

－vi．变强：The wind had strengthened and it began to rain．风力转强，下起雨来了．