delineate

1. V-T If you delineate something such as an idea or situation, you describe it or define it, often in a lot of detail. 描述[正式]

Biography must to some extent delineate characters. 在某种程度上，传记一定要描述人物。

2. V-T If you delineate a border, you say exactly where it is going to be. 划定[正式]

...an agreement to delineate the border. ...划定边界的一项协议。