地方性氟中毒在我国广泛分布，氟的危害也众所周知。

Endemic fluorosis is abroad distributing in our country and it's harm is proverbial.

youdao

拥有一千二百万人口的伊朗首都德黑兰，城市规划糟糕，经常因为交通阻塞而陷入瘫痪，当地地震频发也众所周知。

THE capital of Iran hosts about 12m people, is poorly planned, often paralysed by traffic, and notorious for its seismic activity.

youdao

然而，研究人员发现，一个长期以来众所周知的使食物变色和变硬的过程也可能与年龄相关的细胞和组织损伤有关。

Nevertheless, researchers have discovered that a process long known to discolor and toughen foods may also contribute to age related impairment of both cells and tissues.

youdao

He was assassinated by conservative Senate forces-- - you know, Brutus and Cassius and others-- on the Ides of March, as you all know, March 15th, 44 BCE.

恺撒最终被元老院保守派暗杀-,布鲁图斯，卡西乌斯为首的等人-,在3月15日这天，也就是众所周知的，公元前44年3月15日。

耶鲁公开课 - 新约课程节选