Libration point
拉格朗日点; 秤动点
🧩 词语组成解析
n. 摆动, 天平动
🗣️ 情景例句
on the school board,
在联合校董会中
I ate roast chicken for lunch yesterday.
我昨天午饭吃的是烧鸡。
Two of his greatest films, City Lights and Modern Times were of this kind.
他的两部最伟大的影片《城市之光》和《摩登时代》就是这种影片。