BBC在线收听下载:奥巴马呼吁加快对寨卡病毒研究

短语讲解：

1. The world's tennis authorities have announced an independent review into the effectiveness of their anti-corruption practices, after allegations that evidence of possible match fixing was not followed up.

follow up 把…贯彻到底，对…采取进一步行动
例句：He failed to follow up my suggestion.
他没有照着我的建议做下去。

2. According to the FBI and the Oregon State Police, shots were fired during an operation to bring the group into custody.

according to 根据，按照
例句：According to her, grandfather called at noon.
据她说,祖父在中午打来电话。

3. The US network Fox News has hit back at the presidential contender Donald Trump in a deepening row over his refusal to take part in a televised debate with his Republican rivals.

take part in 参加…，参与…活动
例句：Are you going to take part in the first experiment?
你们会参与首次实验吗?

4. The Emperor is due to visit a cemetery for tens of thousands of Filipinos.

due to 由于; 因为; 欠下债
例句：The team's success was largely due to her efforts.
该队的成功在很大程度上是由于她的努力。