BBC在线收听下载:马来西亚当局扩大搜索失联飞机范围

短语讲解：

1. Around midday, a group of Russian soldiers wearing military camouflage without any badges of rank or unit arrived at the military hospital.

arrive at 到达; 来到
例句：I arrive at my hotel late in the evening.
傍晚时分，我到达了预定的酒店。

2. Three days after the aircraft went missing, an international effort involving ships and planes hasn't found any wreckage, causing growing frustration for the families of the 239 people on board, most of them came from China.

come from 来自某处; 出生于
例句：It could come from anywhere.
它可以来自任何地方。

3. The Israeli ambassador to Amman was summoned to the foreign ministry over the killing of 30-year-old Raed Zeiter who was crossing from Jordan into the West Bank when an altercation took place.

take place 发生，举行
例句：Elections take place every four years.
选举四年举行一次。

4. Scientists from the University of Sussex in England played recordings of human speech to elephants in Amboseli national park in Kenya where hundreds of wild elephants live among humans.

hundreds of 好几百，许许多多
例句：Security forces rounded up hundreds of opposition figures.
安全部队包围了几百名反对者。

5. These remarkable findings suggest that the elephants have built up a memory capacity to make quite subtle distinctions between human voices.

build up 逐步建立; 增进
例句：It is triggered when electrical charges build up in storm clouds.
电荷在积雨云中聚积起来就会触发闪电。