n.污點；恥辱；感染
v.污染；中毒
Such assurances have done little to quiet fears that Connell continues to taint the air. 這樣的保證絲毫沒有安撫人們對康奈爾繼續(xù)污染空氣的擔(dān)憂。
n.確定；確實的事情
n.不確定；不可靠；易變
n.山頂
adj.無污點的；未污染的
