key word

柯林斯词典

1. N-COUNT You can refer to a word or phrase as the keyword when you want to emphasize how important it is. 关键字[oft 'the' N]
Collaboration was the keyword: editors, designers, picture researchers and production staff worked closely together. 合作是关键字：编辑、设计师、图片研究员及制作员工紧密合作。
...codes of conduct and ethical trading – the new keywords of the fair trade movement. ...这场公平贸易运动的新关键字-行为准则和道德贸易。
2. N-COUNT A keyword is a word or phrase that is associated with a particular document or that describes the contents of a particular document, for example, in Internet searches. (如在因特网搜索中与某一特定文件相联系或描述了特定文件内容的)关键字
Users therefore can search by title, by author, by subject, and often by keyword. 所以用户们可以根据标题、作者、主题，经常是关键字来搜索。