noun🔗Share附录, 补遗 Something to be added; especially text added as an appendix or supplement to a document."The teacher added an addendum to the syllabus outlining new assignment deadlines. "老师在教学大纲中添加了一个附录，详细说明了新的作业截止日期。writingcommunicationlanguagebusinesslawChat with AIVocabulary GamePractice Reading
noun🔗Share附录, 补遗. A postscript."I forgot to mention the date for the party in the invitation, so I sent an addendum with that information. "我忘记在邀请函里写派对的日期了，所以又发了一个附录来补充说明。writinglanguageChat with AIVocabulary GamePractice Reading
noun🔗Share齿顶高，齿顶圆半径增量 The height by which the tooth of a gear projects beyond (outside for external, or inside for internal) the standard pitch circle or pitch line."The gear tooth's addendum, the part extending beyond the pitch circle, ensures smooth contact with the next gear. "齿轮的齿顶高，也就是超出节圆的那部分，确保了与下一个齿轮的平稳啮合。technicalmachinepartChat with AIVocabulary GamePractice Reading
