自動扶梯

escalator

self / oneself / from / since / naturally / surely

automatic / voluntarily

(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 動詞|动词[dong4 ci2], verb

to support with the hand / to help sb up / to support oneself by holding onto something / to help

ladder / staircase / escalator

ladder / stairs