The sky is blue and fields are green中“the”是用于独一无二的“天空”是吗,那“fields”为什么不用,flelds的S是复数吧,大地可以用复数吗?

The sky is blue The sky is light blue what the sky is blue THE SKY IS BLUE怎么样 why the sky is blue? Why is the sky blue? I look upon the sky ,The sky is blue and white, Everything seems so bright是什么意思 The sky is blue and the wind is warm是什么意思?拜托各位了 3QThe sky is blue and the wind is warm是什么意思,翻译一下. ☆the sky was blue and the air cool and fresh这是什么语法.为什么不是 the sky was blue and the air is cool and fresh? The sky is beautiful and blue.But people are fickle and smile is false怎么翻 the sky isusually bright and blue是什么意思 The sky is blue改为一般疑问句 The sky is blue.如何翻译 the sky is very blue改为感叹句 Is the sky blue如何回答 Bob is looking out of the window and watching the clouds move across the blue sky. The sky is blue.对blue进行提问 the,is,and,in,high,Autumn,blue,sky连词成句~