power n.力量；力；能力；权力；【数】幂；电力v.使有力量；给...提供动力adj.电力的；力量的；权力的
双语例句
This is also explainable in virtue of the explanatory power that speech act theory has in describing conversational sequencing. 这也是能够通过言语行为理论所具有的解释力解释的。
However, the theory of demand and supply explains the law of economic development better, so it has more explanatory power and therefore is more vital. 但是供求论更好地揭示了经济运行发展的规律，更具有解释力和生命力。
