ladder
梯子
Cosmic distance ladder – Succession of methods by which astronomers determine the distances to celestial objects
Escalade – Using ladders to scale defensive walls
Habala – Human settlement in Saudi Arabia
Hook ladder – Ladder that can be hooked onto a ledge
Scala naturae Great chain of being – Hierarchical structure of all matter and life
Stairway
/suto3/google.iconladder
image ladder
define ladder
wikipedia ladder
weblio ladder
kotobank ladder
jisho ladder