Preface information
[计] 前导信息
🧩 词语组成解析
preface
['prɛfəs]
n. 序言，引语;开端，前奏;[宗]（弥撒的）序诵，序祷;
vi.&vt. 作为…的序言，作为…的开端;作序;给…作序;开始，导致;
pre前面+face脸，面→前脸→前言，序言
🗣️ 情景例句
And Richard thanks you.
Richard也会感谢你。
To film a movie
拍摄电影
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。