Wellek韦勒克welladv.很好地；相当地int.好吧；啊adj.健康的；良好的；适宜的n.井；源泉；楼梯井v.涌出well-pole pile井柱桩well and quickly又好又快well behaved net[计] 良性网络well-travelledadj.游历过很多国家的well experienced经验丰富well graded sand级配良好砂well development井开发well performance油井动态well-off rural小康农村well's potential