pendulum
/ˈpɛnd͡ʒələm/
B2 · Upper Int.★★☆☆☆
Simple Meaning
悬挂在固定点上并来回摆动的重物，如时钟中的摆锤。
When to Use
📚Academic Writing⚙️Technical
Upper Intermediate — fluent in familiar topics
Examples in Conversation
“旧钟的摆锤缓慢地左右摆动。”
“摆锤可以展示重力如何作用。”
Learning Path
▶Full Definition
A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate various devices such as clocks.