lots of water,为什么不是 a lot of water ,lots of 和a lot of 有什么区别?

a lot of water=lots of water? 英语 A Lot of和lots of有什么区别? a lot of和lots of有什么区别? a lot of 和 lots of 有什么区别? a lot of,lots of,plenty of 有什么区别 lot of；lots of；a lot；a lots；a lots of；a lot of的区别 a lot和lots of有什么区别? lot of,lots of,a lot,a lot of有什么区别? lot、lots、a lot、a lots、lot of、lots of、a lot of、a lots of的区别 lots of与A LOT OF有什么区别? lots of .a lot of .many .much有什么区别? lots of和a lot of 有没有区别?