基本解釋無(wú)火炊具英英字典柯林斯英英字典 an insulated container that retains enough heat to cook food or keep it warm fireless cooker劍橋字典fireless cooker柯林斯字典專業(yè)釋義經(jīng)濟(jì)學(xué)無(wú)火灶具