BBC在线收听下载:日本新干线一乘客自焚

短语讲解：

1. A statement apparently posted online by Islamic States says that its Sanaa division has carried out a car bomb attack in the Yemeni capital, causing many casualties.

carry out 进行; 执行
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. The two countries are reported to be waiting such a move because of increasing instability.

because of 因为
例句：John's jacket got out of shape because of the heavy rain.
约翰的夹克因为大雨而变形。

3. Thirty-eight people were killed and at least 30 of them are thought to have been British.

at least 至少
例句：At least she is a paragon with her feet on the ground.
她至少是一个脚踏实地的特殊人物。

4. Fire officers said there have been a number of other injuries.

a number of 许多
例句：The vibrating object has executed a number of oscillations.
物体已经完成了许多次振动。