He took the letter and smoothed it flat on the table.

他接过信，在桌上展平。

《牛津词典》

My pillow never was very thick, and sleeping on it all these years has made it flat.

我的枕头从来不是很厚的，这么多年来我一直睡在上面，把它压扁了。

youdao

Are you going to lie it flat on your desk? Flat on your lap?

是将它平放在桌子上，还是放在膝盖上？

youdao

It is a small device that you move around on a flat surface in front of a computer.

VOA: special.2010.08.01

The personal income tax is not simple; it's not just a flat rate on your income, it depends on the type of income.

个人所得税计税方法并不简单,并不是统一的征收税率,而是取决于你收入的类型

耶鲁公开课 - 金融市场课程节选

which is crazy because it's a little basement flat, but because of where it is.

这非常疯狂，因为它只是一个小的地下室公寓，只是它的地理位置好而已。

房价非常高 - SpeakingMax英语口语达人

Then Carol got a running start and barrelled into the nest, knocking it flat.

NEWYORKER: Max at Sea

Use that and you'll enjoy the tablet head-on without having to place it flat on the table.

ENGADGET: ASUS Transformer Pad 300 hands-on Hands-on

When laying it flat on a lap it's fine, but we could never find a good way to hold it in a more upright position.

ENGADGET: Microsoft Surface Pro review