Inside, beneath the floor tilting in two directions of the double-height lecture hall, is a large public information desk.
在建筑内部，向两个方向倾斜的双层高演讲大厅楼板的下方是一个大型的公共信息咨询处。
2
H So there's extra height, h, of liquid inside the container relative to what's outside it.
这多出的高度，是里面的液面相对于，外面的液面的高度。
3
The propeller is usually mounted on a mast behind the pilot and raised for take-off (or to gain more height or distance once airborne) and then lowered back inside the fuselage.