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
I've been meaning to ask you
我一直想问
Is there any earlier one?
还有更早一点的吗？
Last summer, I went to Italy.
去年夏天，我去了意大利。