词汇	ethnic background
释义	ethnic background 族裔背景
随便看	whose agony overwrought and useless whose are these picture books whose ballpoint pen is this? whose basketball is this whose basketball is this? Whose behaviour has not been stricty ethical? whose bicycle is this whose bicycle is this? Whose bid is it Whose bid is it? whose bid is it now whose bid is it now? whose bikes are these whose bikes are these? whose birthday is in february whose birthday is in february? whose blouse is this whose blouse is this? whose book is lost Whose book is lost? whose book is not here whose book is not here? whose book is the thickest whose book is the thickest? Whose book is this