在过去的20年中，科学技术已经经历了许多变化的翻译：In the past 20 years, science and technology has undergone many changes 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

In the past 20 years, science and technology has gone through many changes

In the past 20 years, science and technology has undergone many changes

In the past 20 years, the science and technology has already experienced many changes

In the last 20 years has undergone many changes, and science and technology

In the past 20 years, science and technology has undergone many changes