So, vocabulary learning beliefs and strategies have been studied for decades of years.

所以，近几十年中，语言学家们对词汇学习观念和词汇学习策略进行了研究。

youdao

In the past decades of years the typical structure of pipeline steel X70 was the ferrite-pearlite.

在过去几十年X 70级管线钢的典型组织一直是铁素体-珠光体。

youdao

We have some wrong understandings of Lu Xun Criticism that has been closed to readers in the past decades of years.

尘封了几十年的《鲁迅批判》 ，我们对它曾有诸多的误读。

youdao

(Sound) Twenty years ago, thousands of students braved riot police in Prague, demanding an end to decades of communist rule in what was then Czechoslovakia.

VOA: standard.2009.11.17

And when I go to the A-1 Toyota for my service or to buy my new Camry, which I've done every four years for the last two decades, I don't always think of a slave market but it does occur to me that--.

当我去丰田A1店,接受服务或购买我的新佳美的时候,过去二十年中我每四年都会去一次,我不是总会联想到奴隶市场,但我确实曾经那么想过

耶鲁公开课 - 美国内战与重建课程节选

The major difference with Mr. Ryan's previous two budget documents is that this would balance the budget faster, inside of 10 years instead of decades.

WSJ: Review & Outlook: A Ryan Reboot

This is the reality of the basis of the current ideological foundation of the Egyptian army and the regime and the oligarchy that has had control for over six decades, sixty years of this, this is what we are having.

CENTERFORSECURITYPOLICY: Center For Security Policy

This is uncharted territory that should be seen in terms of decades, not years.

ECONOMIST: China and India