BBC在线收听下载:厄瓜多尔警方缴获20万片鱼翅

短语讲解：

1. The team from the London School of Hygiene and Tropical Medicine have modified a smartphone to carry out eye tests.

carry out 履行
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。

2.Police and doctors in Baghdad say at least ten people were killed and dozens injured in the explosions, which went off near the newly-refurbished Babylon and Ishtar Hotels just before midnight.

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. From now on, anyone who does have that information and discloses it will be committing a criminal act.

from now on 从现在开始
例句：We must study harder from now on.
从今以后我们必须更努力学习。

4. Police in Ecuador have seized around two hundred thousand sharks fins, which were about to be illegally exported to Asia.

be about to 即将; 就要; 将要，正打算
例句：He be about to turn on the light .
他就要把灯打开。