English中文EspañolFrançais
spiral staircase /ˈspaɪəɹəl ˈɹɪb/ n

中文：螺旋楼梯

中文 · 螺旋楼梯Español · escalera de caracolFrançais · escalier en spirale
Meaning：Staircase whose stairs wind around the wall of the tank to the roof. stairs
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（2）

Oil storage tank Oil storage tank

‹ Browse all scenes