Keeps
n. 罐笼座；盖子（keep的复数形式）
🗣️ 情景例句
Yes?
是吗？
He likes playing the drum.
他喜欢打鼓。
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。