Ground - breaking model背景突变模型
ground-breaking procedure史无前例的步骤
ground-breaking work老板说他要出精品文章
ground-breaking deals开创性的交易
ground-breaking strikes极大的打击
ground-breaking ceremony动土礼;破土典礼;动土仪式
ground-breaking day破土动工日
ground-breaking ceremony detail破土动工仪式
A ground-breaking work分子筛膜领域的一个开创性工作
ADJ（形容词） You use groundbreaking to describe things which you think are significant because they provide new and positive ideas, and influence the way people think about things. 开拓性的 [usu ADJ n]
...his groundbreaking novel on homosexuality.
...他在同性恋方面开拓性的小说。