pendulumKK [ˈpɛndʒələm] ｜ /ˈpɛndʒələm/
GEPT 中高級
C2noun
a device consisting of a weight hanging on a rod or cord that swings back and forth, especially one that is used in a clock
The old grandfather clock in the hallway had a beautiful pendulum that swung gracefully from side to side.
鐘擺；擺錘
C2noun
the power or control of an activity that shifts from one group to another
In politics, the pendulum of power can swing from one political party to another after an election.
（權力的）擺盪；輪替