remained 保持,维持,残留.. 不及物动词，不用于被动语态remained gas 滞留气,残留气.Remained Books古代书籍例子:He remained disadapted to their customs and habits.他仍不适应他们的风俗习惯。 be remianed 过去分词结构表示维持某种状态不变。强调状态，更多被动存在寓意
