mechanism

n. /ˈmek.ə.nɪ.zəm/ C1

机械装置；机制

A part or system of parts working together.

仙境例句

The Mock Turtle could not explain the mechanism that turned a real Turtle into a Mock one.

假海龟也说不清楚，是什么机制把一只真海龟变成了假海龟。