clustern.群;簇;丛;串v.群集;丛生;使成群
clumsyadj.笨拙的;不得体的;笨重的
clunkyadj.笨重的
clunkern.年久失修的旧机器;失败
clunkheadn.愚蠢;笨拙
clunk in test弹进试验, 奥尔托拉尼试验
clunky leather shoes笨重的皮鞋
clunky high-heel shoes.笨重的高跟鞋