The article recommended by Doctor Miler centres on the problem of air pollution; meanwhile, it touches upon other issues such as water pollution, noise pollution and visual pollution.

 
  • 米勒博士向我们推荐的文章集中论述了空气污染问题,同时也提到了诸如水污染、噪音污染和视觉污染等问题。
今日热词
目录 附录 查词历史