average or normal rather than having special or unusual features一般的；标准的；正常的◆A standard letter was sent to all candidates.向所有应征者都发了一封格式公函。◆Our standard terms and conditions apply to all our products.我们的标准条件适用于所有产品。◆All these PCs come with wireless keyboard and mouse as standard.所有这些个人电脑都带有标配无线键盘和鼠标。 [usually before noun] following a particular standard that is set, for example, by an industry标准的；按一定规格制作的◆standard sizes of clothes标准尺码的服装◆I couldn't open the file as it wasn't in a standard format.我无法打开那个文件，因为它没有采用标准格式。 [only before noun] used by most people who are studying a particular subject权威性的◆This has become the standard book on marketing.这本书已经成为营销学的权威著作。  ➡  non-standard