BBC在线收听下载:英国科学家称或可通过免疫系统治疗精神分裂症

短语讲解：

1. Officials in Nigeria say at least 30 people have been killed in an apparentsuicide attack at a mosque near the city of Maiduguri.

at least 至少
例句：For that day at least he lost heart.
至少这一天他是垂头丧气的。

2. The former Brazilian president Luiz Inacio Lula da Silva has given evidence tofederal prosecutors denying that he carried out illegal lobbying work afterleaving office.

carry out 进行; 执行; 完成
例句：No matter what we do, we must carry out our duties.
无论干什么工作,我们都应履行自己的职责。

3. In particular, prosecutors probe into details about President Lula'srelationship with one of Brazil's biggest construction companies Odebrecht andpreferential loans that received from a state development bank.

in particular 尤其， 特别
例句：He was not thinkingof anything in particular.
他的脑子里并没有特意想任何事。

4. It said a whistle blower handed over secretmilitary documents about drone strikes in Afghanistan, Yemen and Somalia.

hand over 交出; 交付; 交给
例句：He will hand over charge of his office tomorrow.
他将在明天移交工作。