Peipus
, Lake 佩普西湖[苏联西部](在俄罗斯联邦和爱沙尼亚边境,亦称楚德湖)
🗣️ 情景例句
That's a secret ... between us women.
这是个秘密……我们女人的秘密。
He was born with a silver spoon in his mouth.
他生在富贵人家。
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。