technological breakthroughsＩ 例句 He said electricity-driven vehicles would be China's major focus in the sector in the future, while more technological breakthroughs need to be made in car batteries, electric motors and other parts. 他说电动汽车将会是中国未来主要发展的部分，在技术方面车用电池技术需要突破，以及电动机和其他零件。 blog.sina.com.cn