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

And then at the end of the process I have another whole step from B-flat back to c, and that gets me back to my octave in that fashion.

最后一步，从降b回到C是一个全音级，然后完成了整个八度。

youdao

She injured her spine in a fall and a doctor told her to lie flat on her back for a month so it can mend.

她摔伤了脊椎，医生让她平躺一个月以便恢复。

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

And then at the end of the process I have another whole step from B-flat back to C, and that gets me back to my octave in that fashion.

最后一步,从降B回到C是一个全音级,然后完成了整个八度

耶鲁公开课 - 聆听音乐课程节选

The rest of the arsenal is simple: a pizza stone or two to boost and hold that all-important heat in the oven and a peel preferably metal (tip: you can use the flat back of a baking sheet in a pinch) to extract the pie with a minimum of mess when it's ready.

WSJ: Homemade Pizza Recipes: Pizza Perfect

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