blue+（ ）=green green+red＝（　） （　）＝yellow＝orange

blue-green +blue=green=什么 blue+什么颜色=green blue+（ ）=green green+red＝（　） （　）＝yellow＝orange green-on-blue是什么意思 His blue jeans____(be)green 碧水是green还是blue? blue-green tea是什么茶 green green green green Green green green green green green