In the past 4 years, I spend most of my time on study.

在过去的4年，我花了我的大部分时间研究。

youdao

Methods Epidemiological feature of the cases reported in the past 4 years were analyzed.

方法对池州市4年来肺结核报告病例进行流行病学分析。

youdao

In general, I think the speed enhancements are quite dramatic considering the many previous speed improvements Google has made in the past 4 years.

总之，考虑到谷歌在过去4年所做的关于速度提升的努力来说，这次确实有很大的突破。

youdao

Al-Shabab also opposes the presence of 4,000 African Union peacekeepers in Mogadishu, who have been in Somalia for the past two years.

VOA: standard.2009.04.17

But I've been living in Berkeley for the past 4 years,

但是我过去四年都是在伯克利度过的，

为什么来伯克利？ - SpeakingMax英语口语达人

actually in Oakland for the past 4 years.

所以实际上过去四年是在奥克兰。

为什么来伯克利？ - SpeakingMax英语口语达人

In the past 4 years, we have taken important steps down that path.

WHITEHOUSE: The White House

In the past 4 years, we have focused on opening up growing markets for our businesses through historic trade agreements and enforcing trade rights so American workers can compete on a level playing field.

WHITEHOUSE: Presidential Proclamation -- World Trade Week, 2013

The product price has remained essentially flat in rupee terms over the past six years, despite 4.7% average annual inflation in India.

FORBES: Child Labor