Librations
(libration 的复数) n. 摆动, 天平动
🗣️ 情景例句
Well, let's go down to the coffee shop.
哦 ，那我们下去咖啡厅吧。
I hear that you have won. Congratulations.
听说你们赢了，祝贺你们。
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。