concentric circle GMAT

Spoon sour cream into resalable plastic food bag. Snip off corner. Pipe sour cream in 4 concentric circles onto guacamole.

用勺子把酸奶酪放入可封口的塑料袋中。剪去一角。在生菜上涂四个心。

Consisting of concentric circles of stone surrounded by a moat (called a "henge"), Stonehenge was constructed in several stages over thousands of years.

由石壕沟包围几圈巨大的心石块组成，巨石阵的建造持续了数千年时间。