動詞 prevail:

1. be larger in number, quantity, power, status or importance
   同義詞：predominate, dominate, rule, reign, prevail
2. be valid, applicable, or true
   同義詞：prevail, hold, obtain
3. continue to exist
   同義詞：prevail, persist, die hard, run, endure
4. prove superior
   同義詞：prevail, triumph
5. use persuasion successfully
   同義詞：prevail

形容詞 prevailing:

1. most frequent or common
   同義詞：predominant
2. encountered generally especially at the present time
   同義詞：prevalent, rife

1. One who conforms to the prevailing ways and opinions of one's time or condition for personal advantage; an opportunist.
   隨波逐流的人為了個人好處而認同自己所處時期或狀況中流行的方式或觀念的人; 機會主義者
2. Being in or conforming to the prevailing or current fashion; stylish.
   流行的符合流行的或現(xiàn)時的式樣的; 時髦的
3. Product buy- back is a prevailing payment term at present.
   產(chǎn)品回購是目前流行的一種付款方式。

pre.vail.ing

adj.（形容詞）
Most frequent or common; predominant.
普遍的：非常經(jīng)常或普遍的；有優(yōu)勢的
Generally current; widespread.
流行的：普遍的；大規(guī)模的

【引伸】
prevail.ingly
adv.（副詞）
prevail.ingness
n.（名詞）
<參考詞匯><同義詞>prevailing,prevalent,current,rifeThese adjectives denote what exists or is encountered generally at a particular time.
這些形容詞都指存在或在某一特定時間里普遍遇到的東西。
Prevailing applies to what is most frequent or common at a certain time or in a certain place:
Prevailing 是指在某一特定時間或地點非常經(jīng)常或普遍的東西：
例句：
The prevailing opinion seems to be that a trade war can be averted if both countries make concessions.
最普遍的觀點認為商業(yè)戰(zhàn)爭在兩個國家都作出讓步的情況下是可避免的。

Prevalent suggests widespread existence or occurrence but does not imply predominance:
Prevalent 暗示了普遍的存在或發(fā)生但并不表占優(yōu)勢的：
例句：
.The religion most prevalent in our northern colonies is a refinement on the principles of resistance: it is the dissidence of dissent. (Edmund Burke).
.北方殖民地普遍的宗教是對拒絕原則的巧妙的改進：它是對持不同意見人的異議. （愛德蒙德·伯克）。

Current often stresses the present time;the term is frequently applied to what passes from one to another or to what is subject to frequent change:
Current 經(jīng)常強調(diào)現(xiàn)在；這個詞經(jīng)常用來指從一物轉(zhuǎn)到另一物的東西或經(jīng)常變換的東西：
例句：
Many current psychoanalytic theories diverge markedly from classical Freudian dogma.
許多現(xiàn)行的心理分析理論和古典弗洛伊德教條差別很大。

Rife implies that something is current, plentiful, or rapidly spreading or increasing:
Rife 指現(xiàn)存的，大量的或急速擴展或增加的東西：
例句：
.The speculation which for some time was rife concerning [the book`s] authorship made many turn to it. (Samuel Butler).
.關(guān)于 作者的推測一度非常流行，這使得許多人都注意到了那本書. （塞繆爾·巴特勒）。

例句：
.The drinking of tea . . . now . . . became very rife. (John Galt).
.飲茶…現(xiàn)在…變得很流行. （約翰·高爾特）