They're renting a furnished flat on the third floor.

他们租了四楼一套带家具的公寓。

《牛津词典》

I am looking for a flat on the ground floor.

我想在一楼找一套公寓。

youdao

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

他接过信，在桌上展平。

《牛津词典》

She uses both hands to finger-tap on the flat narrow part of the guitar called the fretboard.

VOA: special.2011.01.28

This is, you see, also on 2 at the beginning here: I went to the cold-water flat with the boys and Dean came to the door in his shorts.

你们看，这也是在第二页的开始：,我和男孩们去了冷水公寓,安穿着短裤来到门口。

耶鲁公开课 - 1945年后的美国小说课程节选

Probably never that easy but really, you're just not going to lose, and the truth of the matter is that hoplites beat non-hoplites in all battles that are fought on flat land in battles that the Greeks fight in.

也许不是那么的容易,不过总会胜利的,事实上,在所有希腊人打的平原战中,方阵部队无一例外地击败了非方阵部队

耶鲁公开课 - 古希腊历史简介课程节选

Although demand for TVs remained flat year-on-year, Samsung posted improvements in both shipments and profitability.

ENGADGET: Samsung's Q2 2012 earnings show $5.86 billion operating profit, that's a lot of Galaxy S IIIs

If you hang a black flat-screen on a darkly painted wall, it will no longer pop jarringly.

WSJ: Disguise Your TV

Anyway, ExtremeTech doesn't think that the image quality on Gateway's LCD TV is as good as it could be (its contrast is good, while its dark value could be a bit better), but anyone buying this TV is probably more focused on getting a flat-panel HDTV on the cheap than getting the best picture quality possible.

ENGADGET: Gateway's 30-inch LCD HDTV