青年人颜面、上胸背部散在毛囊性红丘疹、黑头粉刺,甚至结节、脓肿、伴皮脂溢出,为()
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧