breakthrough是什么意思?

breakthrough的中文含义详细解释：
n. 突破
breakthrough的列举例句：
The scientists strive for a breakthrough in cancer research.
科学家们力争在癌症研究方面有个突破。

Several of our research discoveries have been adapted for commercial use, and one particular breakthrough in linear hydraulics is now being used by every oil company in the country.
我们的几项研究发明经转化已被应用于商业领域，特别是在线性液压方面的一项突破性成果现在被国内各家石油公司采用。