"当babies开始对世界有意识"英文怎么说？

1-when babies begin to think about this world for the first time in their lives.
2-when babies first begin to know this world
3-when babies are aware of this world for the first time
4-when babies have their thinking about this world for the first time
这样就可以了。希望帮到你。

When babies have the consciousness to the world

When babies first become aware of the world