boundaries 是 boundary 的复数boundaryKK [ˋbaʊndɚi] /ˈbaʊndɚi/发音名词1边界、疆界、分界线A low stone wall marks the boundary between the two farms.一道矮石墙标示出两座农场之间的边界。2界限、极限常用复数These researchers keep pushing the boundaries of what machines can do.这些研究人员不断突破机器能力的极限。3界线、分寸、底线常用复数Learning to set clear boundaries at work reduced my stress a lot.学会在工作上划清界线让我的压力减轻不少。4范围、领域The question falls outside the boundaries of this study.这个问题落在本研究的范围之外。用这个字练口说→