樓梯或者扶手電梯嘅一級（量詞：個） (step of a stair or an escalator)
名詞握扶手，企定定，同梯級邊保持距離。
aak1 fu4 sau2, kei5 ding6 ding6, tung4 tai1 kap1 bin1 bou2 ci4 keoi5 lei4.
Hold the handrail, stand still, and stand clear of the edges (of the escalator).
樓梯或者扶手電梯嘅一級（量詞：個） (step of a stair or an escalator)
名詞握扶手，企定定，同梯級邊保持距離。
aak1 fu4 sau2, kei5 ding6 ding6, tung4 tai1 kap1 bin1 bou2 ci4 keoi5 lei4.
Hold the handrail, stand still, and stand clear of the edges (of the escalator).
step (of a ladder)
step of a staircase
小心梯級
watch your step
system of dams; cascade dams