英和和英

to go down the stairs―go downstairs―descend the stairs

to go down the stairs

to go up the stairs―mount the stairs―ascend the stairs

go up and down the stairs

Climb the stairs

the down staircase

to run down the stairs

at the head of the stairs―at the landing

under the stairs

to go up the stairs―go upstairs―ascend the stairs―mount the stairs

the head of the stairs

at the bottom of the stairs

a flight of stairs

run up the stairs

creaky stairs

a flight of stairs

the up staircase

Go up the stairs.

a spiral staircase

Go up the stairs.

mount the stairs

to go down a slope―come down a slope―descend a slope

the ascending staircase

climb down the ladder

go up [down] (the) stairs

There is a landing at the top of the stairs.

a circular stair

Watch out for the stairs

the stairs in a staircase

a drawer inside a step