preponderant

形容词 preponderant:

1. having superior power and influence
   同义词：overriding, paramount, predominant, predominate, preponderating

1. Melancholy is the preponderant mood of the poem.
   忧郁的感情是该诗的基调。

pre.pon.der.ant

adj.（形容词）
Having superior weight, force, importance, or influence.See Synonyms at dominant
占优势的：重量、力量、重要性或影响力方面占优势的参见 dominant

【引伸】
prepon.derantly
adv.（副词）