TOEFL词汇每日一题：prevailing

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　　The prevailing winds in the Great Basin are from the west. Warm, moist air from the Pacific Ocean is forced upward as it crosses the Sierra Nevada.

　　The word "prevailing" is closest in meaning to which of following?

　　(A) most frequent

　　(B) occasional

　　(C) gentle

　　(D) most dangerous

　　正确答案： A

　　托福词汇 prevailing

　　prevailing英[pr?'ve?l??]美[pr??vel??]

　　adj.占优势的;主要的;普遍的;盛行的

　　v.获胜( prevail的现在分词 );盛行;说服;( 思想、观点等)被接受

　　[例句]A glance at prevailing wind patterns confirmed their fear.盛行风的方向让他们如坠冰窟。