Herdbook
n. 良种登记册
✅ 同义词
🗣️ 情景例句
But it's fun.
但很有趣。
Riches have wings.
财富难保。
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。