单词	envisage danger
释义	envisage danger n.面对危险
随便看	optimum operating frequency optimum operating point optimum operating slope Optimum operating speed optimum operating temperature optimum operating voltage optimum operation optimum operation condition optimum operation mode optimum operation of heat-supply network optimum optical-electronical gain optimum orbit Optimum Orbital Altitude optimum order method optimum order quantity optimum orientation of air flow optimum output optimum overrelaxation parameter optimum oxygen partial pressure optimum packing optimum packing of rectangles optimum pairing of unit optimum pairs optimum parameter optimum parameters