I fixed a slab of board for the desk and made the back of the seat softer, then I oiled the screws so it is easier to fold.

我在桌子上固定了一块木板，并把椅背做得软了一些，之后给螺丝上了润滑油，这样就更容易折叠了。

youdao

The back camera takes decent pictures but it's the practice of holding up a large slab to take a picture that feels a bit weird.

背面的摄像头用来拍摄远照片但是拿着一个大板子来拍摄照片感觉有点怪异。

youdao

The planned slab in the back area was never built.

在回板面积是从来没有建造计划。

youdao

Working on their hands and knees, scientists soon traced the pieces back up the hilltop to a slab of red siltstone, where they so far have found 200 bones mingled with crushed eggshells.

WSJ: Dinosaur Embryos Point to Rapid Growth

No word yet on where the phone is expected to land, nor how much the jungle-ready slab might set you back, but we'll be sure to drop it on the ground in Barcelona in a few weeks time.

ENGADGET