我想发明一种护发发夹,它既可以检查头发的质量,又能护理头发。如果你的头发很柔顺,它就会显示为绿色;如果你的头发干枯打结或者很油腻,它就会变成红色,提醒你该护理头发了。这时你也不用着急,只要按一下发夹中间的白色按钮,按钮旁边的小孔里就会喷出一股带着清香的雾气。这种雾 I want to invent a hair care hairpin that checks both the quality of the hair and the hair. If your hair is supple, it will appear green; if your hair is knotted or oily, it will turn red, reminding you to take care of your hair. At this time you do not worry, just click the white button in the middle of the hairpin, the hole next to the button will emit a mist with a fragrance. This kind of fog