Politzerization
[医] 中耳吹气法, 咽鼓管吹气法
🗣️ 情景例句
Hi!
嗨！
It's a pain in the neck.
那真是件麻烦事
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。