I need a flat surface to write on.

我需要一个平面在上面写字。

《牛津词典》

Do you live in a flat or a house?

你住的是公寓还是独立住宅？

《牛津词典》

We had to stop to fix a flat.

我们不得不停车修一下撒了气的轮胎。

《牛津词典》

The supplies you will need are sterling silver wire,round-nosed pliers, flat-nosed pliers,flat-nosed pliers with a tip, and flush cutters."

VOA: special.2009.05.18

What we've written is a whole step, so we've got to indicate that this is just a half step away in that fashion, D to E-flat.

而这里写的是一个全音级,所以我们要在这里标出,从D到降E只有半音级

耶鲁公开课 - 聆听音乐课程节选

Okay, I need, now, a whole step above A-flat.

好了,降A后是一个全音级

耶鲁公开课 - 聆听音乐课程节选

" The lowest note of the fourth flute, a B-flat, is a fourth higher than the lowest note of the regular alto recorder, which is referred to by the English as the "common flute.

NPR: Live in Studio 4A: Parnassus Avenue Baroque

Admittedly on the cosy side, they are beautifully decorated with cute furniture, flower-patterned wallpaper and gathered-up curtains, and all come with a wall-mounted flat-screen TV and a funky little bathroom.

BBC: The sharpest rooms in Shanghai

We found a 2003, 22-foot Pathfinder, a flat-bottomed boat favored by fishermen, on a lot behind Port St.

FORBES: Boat Bargain