突破用英语是breakthrough。解释：breakthrough 英[ˈbreɪkθru:] 美[ˈbrekˌθru] n. 突破; 穿透; 重要技术成就; 炉衬烧穿; [例句]The company looks poised to make a significant breakthrough in China这家公司看来很有把握在中国取得重大突破。The breakthrough came hours before a UN deadline. 在联合国的最后期限到来前数小时取得了重大突破。This may have been an improvement, but 'breakthrough' was an overstatement这算得上是一个改进吧，但说是“突破”就言过其实了。If such materials became generally available to the optics industry the payoffs fromsuch a breakthrough would be enormous 如果这些材料能够普遍用于光学产业，那么这一突破带来的收益将非常巨大。With breast cancer, as with many common diseases, there is no obviousbreakthrough on the horizon 对乳腺癌等很多常见疾病来说，目前还看不到有明显的突破。
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