每日商务英语 第519期:极平坦的

flat as a pancake-------极平坦的（俚语）

英文释义
(SLANG) Describing something very flat.

例句
As a child I was fascinated by photographs of mountains because the region where I grew up was flat as a pancake.
我小时候对山脉的风景很着迷，因为我生长的地区特别平坦。