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. 向所有应徵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於所有产品。◆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。
[] 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。
[] 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着作。