BBC在线收听下载:奥巴马抨击特朗普 称其不配做总统

短语讲解：

1. Amy Dessy's decision to step down comes in the wake of thousands of leaked emails suggesting the Democratic Party's establishments deliberately undermine the campaign of Hillary Clinton's former rival Bernie Sanders for the presidential nomination.

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。

2. A car bomb in the Libyan city of Benghazi has killed at least 18 people and wounded many others.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。

3. The bombing comes a day after the first US air strikes in support of the Libyan government’s offensive against Shura, a strong hold of the Islamic State group.

in support of 支持; 证明…正确
例句：The retort raised a cheer in support of the speaker.
发言人这一反驳博得了一片支持的欢呼声。

4. The bombing targeted the headquarters of the 146th brigade, a security force that has been engaged in fighting against Islamist Militias in the city.

engage in 经营; 参加，从事，忙于
例句：I have no time to engage in the debate.
我没时间参加辩论。

5. Ireland’s second most senior Roman Catholic leader, the archbishop of Dublin,says he would no longer send Trainee priests from his archdiocese to study at the national seminary after a long mis-allegations of gay culture there.

no longer 不再，已不
例句：He could no longer hold back his tears.
他再也忍不住自己的眼泪。

6. All trainee priests at Maynooth are expected to live in celibacy and preparation for life in the priesthood.

be expected to 被期待做某事; 有望做某事
例句：I shall be expected to shell out the money for the party.
我将要支付这个集会的费用。