Riptography
[化] 沉淀滴定法
🗣️ 情景例句
There's something I have to ask you.
我有一件事要问你 。
After a storm comes a calm.
否极泰来。
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。