饱经沧桑: having lived through many changes...
学问: learning, knowledge...
其次: next, secondly...
阳光: sunshine, transparent (open to public scrutiny)...
面包: bread...
流感: flu, influenza...
覆盖: to cover...
露: dew, syrup, nectar, outdoors (not under cover), to show, to reveal, to betray, to expose...
蒸发: to evaporate, evaporation...
确诊: to make a definite diagnosis, confirmed (case of a specific disease)...
