🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
I came to Harvard on a scholarship.
我是靠奖学金来哈佛大学求学的。
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。