Salk
索尔克（姓氏）
🗣️ 情景例句
Oh, hi, Robbie. Good morning.
啊 ，Robbie， 早安。
Blind men can judge no colours.
不宜问道于盲。
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。