BBC在线收听下载:卡梅伦将辞去保守党议员职务

短语讲解：

1. A resident of the rebel-held east of Aleppo told the BBC that shelling that had continued throughout the day had stopped and there were no longer aircraft in the sky over the city.

no longer 不再，已不
例句：She no longer feared that they should misunderstand her.
她不再害怕他们会误解她了。

2. South Sudan's information minister says the government was not yet to respond to allegations for the country's leaders of profiteering from the devastating civil war.

respond to 响应; 对…作出反应
例句：Even very young premature babies respond to their mother's presence
即使是很小的早产儿也会对母亲的出现做出反应。

3. Mr Cameron stepped down from the leadership in June after losing the referendum on Britain's membership of the European Union.

step down 退休，辞职
例句：If I were to be, I would step down and raise my voice immediately.
一旦我弄清楚了，我会立即辞职站出来表态。