单词学习：counterweight 名词
counterweight
/ˈkaʊntərweɪt/
平衡物；平衡力；砝码
The heavy stone served as a perfect counterweight, allowing Gu Laoshi to lift the bucket from the well with ease.
这块沉重的石头是一个完美的平衡物，让顾老师能轻松地从井里提起水桶。
单词卡片
卡片已就绪
