1·Preheat your oven to 275 degrees. Peel the modeling clay paw imprint away from the cardboard and bake on an ungreased cookie sheet for 15 minutes.
把你的烤箱预热到275度，把印有爪子印的纸粘土从那张硬纸板上揭下来，然后放进烤箱的无油的烤板上烤15分钟。
2·Preheat the oven to 350 degrees.
预热烤箱至350摄氏度。
3·Preheat oven to 350F. Butter and line a 9in x 9in x 2in baking pan, dusting the sides with flour and tapping out any excess.
预热烤箱至350F。准备黄油和一个9*9*2英寸的烤盘，将盘的两侧图上面料，并将多余的去除。
4·Preheat the oven to 400 degrees with the racks positioned in the middle and upper thirds of the interior space.
预热烤箱至400度，将烤架放在中间偏上约三分之一的地方。
5·Because preheat and precool increases the chamber charging pressure before the TDC, which is mechanically counter-productive.
因为预热和效果预冷室收费增加了柜台前，贸发局的压力，这是机械。