词根词缀：ambul-, ambulat-, -ambulate, -ambulating, -ambulation -ambulator, -ambulatory, -ambulant, -ambulic, -ambulism, -ambulist

【来源及含义】Latin: to walk, take steps, move around; from "to wander, to go astray"

【同源单词】amble, amble, ambulacrum, ambulance, ambulant, ambulate

词根词缀：-crum

【来源及含义】Latin: a suffix; result of the act of, means of

【同源单词】ambulacrum, fulcrum, sacrum, simulacrum