blue的意思

Blues is always about depressing feelings.（)

共用题干WaterEarth is like a big blue marble.

共用题干WaterEarth is like a big blue marble.

共用题干WaterEarth is like a big blue marble.

信用证关于货物的描述为“blue cotton wears” 发票显示为“colored cot

有一样式表规则:H3 {color : blue ;fontsize : 10pt} 以下说法正确的是()