| 歌曲 | 美国减排，任重道远 |
| 歌手 | 英语听力 |
| 专辑 | BBC新闻 |
| The US Energy Secretary Steven Chu says President Obama may have to compromise if he wants to make quick progress in cutting America's greenhouse gas emissions. Speaking in a BBC interview, Professor Chu said there was a growing realisation that the world and the United States in particular had to g… |
| The US Energy Secretary Steven Chu says President Obama may have to compromise if he wants to make quick progress in cutting America' s greenhouse gas emissions. Speaking in a BBC interview, Professor Chu said there was a growing realisation that the world and the United States in particular had to g |