您要查找的是不是：
- The evolution of the deposit witnessed the formation of source bed with preliminary enrichment of ore-forming elements by marine volcanism and organism, and then mineralization by reformation. 通过海底火山热液作用和生物活动的沉积成矿作用，形成成矿元素初始富集的矿源层。经后期叠加改造地质作用形成工业矿体。
- Good books are an enrichment of life. 良好的书藉是使人生变得充实之物。
- An appreciation of art will enrich your life. 艺术欣赏将会丰富你的生活
- Good books can enrich man's inner life. 好书可以丰富人的精神生活。
- A preliminary draft or record of a transaction. 条约草案合约的预备性的草案或纪录
- An introductory occurrence or fact; a preliminary. 开端预兆性事件或事实; 开端
- The attacks jumped of without the usual preliminary bombardment. 没有通常的预先轰击，进攻就开始了。
- A preliminary examination of an accused person. 预审对被指控的人的初步审查
- preliminary enrichment 初步富集
- Farmers enrich the soil with organic and inorganic manures. 农民用有机肥料和无机肥料来提高土壤的肥力。
- Our team got beaten in the preliminary rounds of the competition. 我们队在这次比赛的预赛中遭淘汰。
- May I make a few preliminary remarks before we start the interview? 在我们开始面试之前，我先说几句话可以吗？
- Conversation or discussion preliminary to negotiation. 会前磋商谈判之前进行的会谈或讨论
- It is generally thought that traveling abroad can enrich one's knowledge. 一般认为出国旅游可增广见闻。
- Reading can enrich the power of expression. 阅读能够增进表达能力。
- A preliminary draft or plan, as of a project or proposal. 草案初步的草案或计划，如工程或建议的草案
- Books are an enrichment of life. 书籍乃充实人生之物。
- Those powders to enrich your hair. 上天备涂粉妆饰你的发束。
- Serving or tending to prepare or make ready; preliminary. 准备性的用作或易于准备的; 预备性的
