多发病的英文：
frequently encountered disease
Is malaria still prevalent among the populationhere?
疟疾是否仍为此地居民的多发病
adv. 经常地
These faculae frequently are the forerunners of sunspot formation
这些光斑常常是形成太阳黑子的先兆。
To accustom by frequent repetition or prolonged exposure.
使……习惯由于经常重复或长时间接触而适应。
He is a frequent visitor to our house.
他是我们家的常客。
n. 邂逅，遭遇，冲突，比赛，交锋
v. 意外地遇见，遭到，与……发生冲突
The invaders encountered stiff opposition.
侵略者遭到强烈的反对。
Encounter (difficulties,problems,etc)
遭遇(困难、问题等)
The beginning of the tape or a partition was encountered.
已达磁带或磁盘分区的开头。
n. 疾病，不健全，病害，弊病，烦恼
v. 使有病，使不健全
Surgical disease, or the surgical response to disease is of similar antiquity.
外科疾病或对疾病的外科处理的历史同样久远。
Some diseases are presented by heredity.
有些疾病是由于遗传导致的。
ear bacterial disease of maize
玉米穗细菌病