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 majored in economic and trade English.
我主修的是经贸英语。
The movie began as soon as we got there.
我们一到那儿电影就开始了。
Some hotels supply boiled water on request and this can be used for drinking, or for brushing teeth.
有的酒店根据要求可提供开水，这些开水可用于饮用和刷牙。