Rattat
砰砰(不断的叩击声)
🗣️ 情景例句
and Richard was eight pounds three.
Richard生下来时八磅三。
Every man has his hobby-horse.
人各有所好。
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。