Pendulums
n. 摆, 钟摆( pendulum的名词复数 ); 摇摆不定的事态（或局面）
🗣️ 情景例句
He is in a good mood.
他的心情很好。
One half of the world does not know how the other half lives.
贫富不相知。
Have you got it?
明白了吗？