Now, however, recent developments in electric vehicle technology mean they can match conventional petrol engines in terms of performance and safety.
出自-2013年6月听力原文
Certainly, you don't want to waste your precious hours on following the developments in a disorderly fashion, and miss important deadlines, confuse interview times or forget to follow up as a result.
2018年6月四级真题（第一套）听力 Section C
英语六级真题
In 1976, congress enacted the latest copy right law, taking into consideration the technological developments that had occurred since the passage of the copy right act of 1909.
出自-2014年6月听力原文
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
发展;成长;发育;生长;形成
Development is the gradual growth or formation of something.