difference between ladder and stair

stairs - (байшингийн шат) stairs [plural] a set of steps built between two floors of a building

• The children ran up/down the stairs.
• He remembered passing her on the stairs.

ladder - (эвхдэг шат, зөөврийн шат) a piece of equipment for climbing up and down a wall, the side of a building, etc., consisting of two lengths of wood or metal that are joined together by steps or rungs

• to climb up/fall off a ladder

stairs

ladder