A healthy diet should give us the calories wo need but not contain too much fat and sugar.在这个句子的最后为什么用and表示连接啊,前面不是有not否定么?怎么不用or啊?

a healthy diet keep a healthy diet啥意思 A healthy diet is important______ us all A healthy diet is important for a child( ) ( )( ) a child ( )( )a healthy diet health diet 还是 healthy diet A healthy diet is important to a child.（同义句）A healthy diet is important to a child._____ _____ a child _____ _____ a healthy diet. healthy diet ,healthy life 作文 A healthy diet is important to a child._______ _______ ________ a child _______ _______ a healthy diet. We should have a balanced diet to s____ healthy eat a balanced diet to stay healthy啥意思 a healthy diet and lifestyle 60字作文 A healthy diet is very important for us.同义句 TO s( ) healthy ,we should eat a balanced diet. Eat a balanced diet to stay healthy.用中文怎么说 ___(eat) a balanced diet helps you stay healthy. balanced,keep,to,a,diet,eat,healthy 连词成句, what does a diet of healthy foods contain eat a balaced diet to stay healthy.的意思