It is now known that the water comes from underground through a system of holes and breaks in rock.

现在人们知道，水是通过岩石上的洞和裂缝从地下流进湖里的。

UN's Migration Agency says it is now known that at least 140 people died in a shipwreck off Senegal on Saturday.

周六，在塞内加尔近海发生沉船事故，联合国移民机构表示，目前已知至少有140人遇难。

This is changing and neuroscience having moved on it is now known that artificial neural networks are fundamentally different from their biological counterparts, Dr.

这种情况正在发生变化，神经科学已经向前迈进，现在人们已经知道人工神经网络与它们的生物学对应物有着根本的不同，Dr.

In fact, it is now known that Cro-Magnons were in the far west of Europe at about the same time they were also coming in from the east.

事实上，我们现在知道，克罗乌农人从东部向欧洲内陆挺进时，遥远的西部也有克罗马农人。

Though people have often laughed at stories told by seamen, it is now known that many of these 'monsters' which have at times been sighted are simply strange fish.

虽然人们常常对水手们讲的故事付诸一笑，但现在看来，人们有时看到的这些“妖怪”很多不过是些奇怪的鱼。

The Step Pyramid has been thoroughly examined and investigated over the last century, and it is now known that the building process went through many different stages.

阶梯金字塔在上个世纪得到了彻底的检查和调查，现在知道建造过程经历了许多不同的阶段。