/prɪˈveɪlɪŋ ||; prɪˈvelɪŋ/adj (only
before a noun 只用于名词前)
1 existing or most common at a particular time （在某个时候）流行，盛行，普遍: the prevailing climate of opinion 流行的舆论气氛
2 (used about the wind) most common in a particular area （指风在某个地区）常刮的: The prevailing wind is from the south-west. 风常从西南面吹来。