When cooking we generally use 1 boiling water(in a saucepan)or 2 boiling fat/oil(in a frying-pan)or 3 dry heat(in an oven or under a grill).

• 用cook一词时；一般是指用(1)沸水(置于深锅中)或(2)热的动[植]物油(置于煎锅中)或(3)直接加热(置于烤炉中或烤架上).