During her first week of record-keeping, she realized that the two or three doughnutholes she thought she ate were actually eight or nine;
在她开始记录的第一个星期里，她才了解到以为自己只吃了两、三个甜甜圈，实际上是吃了八、九个；
2
They stacked rocks with center holes (tube or doughnut shaped) from the surface to the deep stone layer as a guide for their drills (similar to today's guide tubes).