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“doughnut shaped”簡單造句,doughnut shaped造句子

欄目: 造句 / 發佈於: / 人氣:2.97W

of or relating to or shaped like a toroid; doughnut shaped.

doughnut shaped造句

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).