1N-COUNT [usually plural]附件;配件;附属物Accessories are items of equipment that are not usually essential, but which can be used with or added to something else in order to make it more efficient, useful, or decorative. 附件;配件;附属物
...an exclusive range of hand-made bedroom and bathroom accessories.
2N-COUNT [usually plural](衣服的)配饰(如腰带、围巾等)Accessories are articles such as belts and scarves which you wear or carry but which are not part of your main clothing. (衣服的)配饰(如腰带、围巾等)
3N-COUNT 同谋;帮凶;从犯 If someone is guilty of being an accessory to a crime, they helped the person who committed it, or knew it was being committed but did not tell the police. 同谋;帮凶;从犯 [law]
She was charged with being an accessory to the embezzlement of funds. [+ to]
4ADJ [usually ADJ n]附属的;辅助的;非主要的 You can use accessory to describe something which is part of an activity or process, but not the most essential or important part of it. 附属的;辅助的;非主要的 [formal]
Forster established the essentiality of minerals as accessory food factors required for maintaining life.