We had to carry the piano up three flights of stairs.

我们不得不抬着钢琴上了三段楼梯。

《牛津词典》

So, I was glad of a helping hand in lugging it - and the bicycle - up three flights of steps to a hostel in Bratislava, the capital of Slovakia.

所以我很高兴有人帮我把装备连带自行车拖上三层台阶，进到斯洛伐克首都布拉迪斯拉发的一家客栈里。

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The standard eight line display will be supplemented with the words “Sponsored Flights” and up to three lines of flight displays.

新增的三行航班信息以及“赞助商航班”（Sponsord Flights）字眼将作为对标准的八行信息显示方式的补充。

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Forty-two tons of soil were carried up three flights of stairs to create Bartlett's 2, 500-square-foot "country in the city, " planted with a lawn, an evergreen maze, a grape arbor, an apple orchard and a rose garden.

WSJ: The Most Important Garden Designer You've Never Heard Of

Ran up the three flights of stairs to an office with some still remaining holiday lights and a plate of cookies.

FORBES: These Are the Stories that Change Everything

Mogadishu's airport, refurbished with Turkish aid, now receives up to three international flights a day rather than two per week.

ECONOMIST: Surprising Somalia