It is also true that it is difficult to think of a single such system that has not, for better or worse, been substantially modified by human culture.

同样，很难想象一个这样的系统：不管是好是坏，都没有经过人类文化的实质性修改。

youdao

Triphenylphosphine has been modified by attachment of perfluoroalkyl substituents.

三苯基膦被全氟烷基取代基所取代。

youdao

How is communication between neurons modified by experience?

神经元之间的交流如何被经验所修改？

youdao

In two thousand one, genetically modified corn made by Syngenta was found in the food supply chain without approval.

VOA: special.2011.03.08

And what is Russian that should be modified by being open to non-religious influences that come from other places?

同时俄国的哪些方面应该允许,非宗教势力的影响而做出相应的调整

耶鲁公开课 - 欧洲文明课程节选

If you are reminded here by the passage of Tynjanov that I gave you where he makes the distinction between literary history as evolving and literary history as modified by outside circumstances, I think it would be a legitimate parallel.

如果你们可以会想起我以前让你们读的提尼亚诺夫,那篇区分作为演变和,由外界因素改造的文学史的文章，那么一切就合乎逻辑了。

耶鲁公开课 - 文学理论导论课程节选

The marshlands throughout the biosphere reserve have been modified by rice culture in the 19th century.

UNESCO: Biosphere Reserve Information

It can be modified by mixing it with fresh water and a small amount of phenol-based surfactant.

FORBES: An Indian Consortium Shows Interest In ConocoPhillips' Alberta Oil Sands Assets

Software created under the GPL can be modified by developers, with any changes made freely available to the community.

CNN: Big names plan to pre-install Sun's StarOffice