environment problem和environmental problem有什么区别?RT

environment problem和environmental problem有什么区别?RT environment problem 和environmental problem那种表达对 what is environment problem the problem of lead in the environment原文和文章翻译 lie 和lies in用法Where does the problem lie?The problem lies in a badly-polluted environment.这里为什么不用Where does the problem lies in 请问 LaTeX Error: Environment problem undefined. 怎么办? circumstance和environment区别 Today the human have a big problem needs to be solved.That is environment problem.Our environment circumstance和environment的区别? condition和environment的区别 human environment 和physical environment是什么意思请问有没有人知道human environment 和physical environment是什么意 environment protection和environmental protection的区别 context和environment 的用法区别 environment和surroundings有什么区别? environmental和environment有什么区别 environment和circumstance有什么区别 environment和circumstance有什么区别 英语 有____(environment )problem ______(polluted)problem 为什么我们老师前一个填environmental后一个是pollution 一个形容词一个名词 有什么讲究嘛