实验1鸡蛋变大了步骤:1.取一只生鸡蛋,选取一固定位置,用笔做好记号,用卷尺测量该位置的鸡蛋的周长并记录。2.将大口瓶倾斜,让鸡蛋轻轻滑入瓶中,往瓶内倒入白醋,将鸡蛋完全淹没,然后盖上盖子。3.在接下来的(?)2小时里,每隔一段时间观察鸡蛋的外观变化。4.(?)2小时后取出鸡蛋,测量标记位置的鸡蛋的周长。 Experiment 1 Eggs become bigger Steps: 1. Take a raw egg, select a fixed position, mark with a pen, measure the perimeter of the egg at that position with a tape measure, and record. 2. Tilt the jar and gently slide the egg into the bottle, pour white vinegar into the bottle, submerge the egg completely, and then close the lid. 3. In the next (?) 2 hours, at regular intervals to observe the appearance of the egg changes. Remove the egg after 2 hours and measure the perimeter of the egg at the marked position.