短語詞組短語causing serious traffic problem 造成嚴重交通問題serious social problem 嚴重的社會問題A Serious Social Problem 上一篇a serious unemployment problem 嚴重的失業(yè)問題serious environmental problem 嚴重的環(huán)境問題serious environment problem 嚴重的環(huán)境問題the most serious social problem 最嚴重的社會問題such a serious problem 如此嚴重的問題;一個如此嚴重的問題extremely serious problem 極其嚴重的問題 返回 serious problem