The blog also said the new iPad will have a flat back — the current iPad's back is curved — and is thinner by 0.12 inch.

这个博客还说新的iPad背面是扁平的(目前这款的背面有弧度)，而且还薄了0.12英寸。

youdao

His ears, which had been laid flat back on his skull, came into their proper position, and the fire went out of his eyes.

先前一直贴在脑袋上的耳朵现在恢复了正常的位置，眼睛也有了神。

youdao

One of the hands keeps a flat hand shape and it just kind of lightly moves back and forth as if it were a flickering image on a screen."

VOA: special.2011.04.13

Keep your lower spine flat against the back of the chair to maintain proper curvature.

FORBES: The 10 Best Exercises To Do At Your Desk

The bum lay flat on his back with his Mad Dog balanced on his chest.

NEWYORKER: Fiction

German Stephan Feck lost his balance on his second dive, landing flat on his back in the water.

WSJ: Menu