1. accelerate 加速
The growth of e-commerce has accelerated dramatically in recent years.
近年来，电子商务的发展急剧加快。
2. optimize 优化
Some AI software is capable of analyzing and optimizing marketing email subjects to increase open rates.
一些人工智能软件能够分析和优化营销邮件主题，以提高邮件查看率。
3. sophisticated 精密的
Precision instruments, equipped with sophisticated technology, enhance the accuracy of scientific experiments and data analysis.
配备先进技术的精密仪器提高了科学实验和数据分析的准确性。
4. labor-saving 节省人力的
Human have gained convenience from labor-saving devices over the past half-century.
在过去的半个世纪里，人类从节省劳动力的设备中获得了方便。
5. unprecedented 前所未有的
The unprecedented expansion of population and industry will lead to a series of social problems
人口和工业空前的扩张会导致一系列社会问题。