形容詞 prevalent:

1. encountered generally especially at the present time
   同義詞：prevailing, rife

1. Is malaria still prevalent among the populationhere?
   瘧疾是否仍為此地居民的多發(fā)病?
2. The prevalent opinion is in favour of reform.
   一般輿論都支持改革。
3. Eye diseases are prevalent in some tropical countries.
   在一些熱帶國家，眼疾很流行。

prev.a.lent

adj.（形容詞）
Widely or commonly occurring, existing, accepted, or practiced.See Synonyms at prevailing
流行的，盛行的：廣泛地或普遍地發(fā)生、存在的，接受的或實行的參見 prevailing

來源：
Middle English [very strong]
中古英語 [強壯的]
from Latin praevalôns praevalent- [present participle of] praevalôre [to be stronger] * see prevail
源自 拉丁語 praevalôns praevalent- [] praevalôre的現(xiàn)在分詞 [強大的] *參見 prevail

【引伸】
prev.alently
adv.（副詞）