问题描述: 用"build up"组句 两句 1个回答 分类:英语 2014-12-15 问题解答: 我来补答 The collection has been built up over the last seventeen years... 在过去的17年中,收藏的规模不断扩大.Slowly a thick layer of fat builds up on the pan's surface. 慢慢地,平底锅表面积起了一层厚厚的油脂. 展开全文阅读