ground floor

基本解释

The heavy spring rain has flooded out the ground floor of the hotel.
這一場春天的大雨淹沒了旅館的底層。
Dear customers, we have already arranged to have the lawyers and bankers meet us on the ground floor. They will answer all the mortgage and legal questions you may have.
親愛的顧客們，本公司已經安排律師及銀行顧問在地下售樓処，他們會爲閣下解答有關買賣手續及銀行按揭貸款的問題。
Nearby, the ground floor of what used to be the Missions to Seamen building is now a restaurant with the curiously apt name of “Marcel”.
附近，曾經用來曏海員派遣任務的建築底層現在是一家餐厛，有個易引起好奇的名稱“燙發”。

The center of the museum is open, so people can look up toward the roof or down toward the ground floor.
I know some of you come from Europe and other parts of the world where the ground floor is rez-de-chauss?e or some silly thing like this 1 and you push a button on the elevator to one and you go up to the first floor.
我知道你們中間有些人來自歐洲,或者世界其他地方，你們那裡的一樓,和地麪齊平，或者像這樣可笑的事情,比如你要按下電梯的按鈕,然後才能上到真正的1樓。
麻省理工公開課 - 固態化學導論課程節選
I mean, obviously you've got all the shops on the ground floor
顯然地，所有的商店都在地麪上。
皮卡迪利的公司員工 - SpeakingMax英語口語達人

O. headquarters, in Geneva, and installed in an obscure office on the ground floor.
NEWYORKER: Snacks for a Fat Planet

Theground floor of a building is the floor that is level or almost level with the ground outside.
If you get in on the ground floor, you become involved in a business or plan in the early stages, in order to gain an advantage.