"Second floor" in Engpsh.
The phrase "second floor" is used to refer to the floor of a building that is above the ground floor and below the third floor. This terminology is commonly used in the United States and other Engpsh-speaking countries.
Examples:
Can you please take me to the second floor?
(请问您能带我到二楼吗？)
The offices are located on the second floor.
(办公室在二楼。)