关于环保的英语作文(一) These  days, almost every day in the news broadcast across the country to say serious  air pollution in cities, and points out that the cont...

  高二英语必修二Unit4必背知识 重点词汇、短语 1. die out 灭亡、逐渐消失 2. hunt 打猎，猎取 3. in peace 和平地，安详地 4. in danger of 在危险中 5. in relief 如释重负，松了口气 6...