But in these years, the water environment is also damaged in varying degrees. Its urgent to comprehensively control and protect the water environment of the Three Gorges area.

近几十年来，库区的水环境也遭到不同程度的破坏，全面保护、综合治理三峡库区的水环境迫在眉睫。

youdao

These structures had been detected years earlier by echo-sounding instruments, but they had never been penetrated in the course of drilling.

这些结构在早些年曾被回声探测器探测到，但是它们从未被钻探过。

youdao

But in many cases, these systems have been maintained for many years — i.e., these are "legacy systems" that are important for the enterprise, but they are often difficult to understand and maintain.

但在很多情况下，这些系统维持了许多年——也就是，这些是对企业很重要的“遗留系统”，但它们经常是很难被理解和维护的。

youdao

There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选

These are linguistic terms. But of course, the people who spoke them, especially in the early years, tended to be part of a relatively narrow collection of people, who intermarried with each other chiefly, and therefore developed common cultural characteristics.

这时的希腊语主要是一些语意项,不过当然,那些讲希腊语的人,特别是在早期,是一个相对小范围的人群,他们主要在族群内部通婚,由此,发展出相近的文化特征

耶鲁公开课 - 古希腊历史简介课程节选

But in coming years, these services probably will become more user-friendly for typical non-tech-savvy U.S. consumers.

CNN: One-third of Americans prefer texts to voice calls

But in Israel, all these years later, Purim was all around me.

BBC: A shot of religion in the Holy Land

Within a few hours, he forgot that he had given the order, and in a few dozen years he in turn was forgotten, but these trees still stood, enormous now, some of them dead and looming without bark, white and leafless.

NEWYORKER: Nawabdin Electrician