BBC在线收听下载:奥巴马称尽一切确保美国感恩节安全

短语讲解：

1. The Turkish army has released what it says is a series of audio recordings in which the Russian plane was shot down on Tuesday is asked to change course immediately before he's downed near the Syrian border.

shoot down 击落; 朝下射击
例句：He was able to shoot down a flying bird with the bow and arrow.
他张弓搭箭能射落空中的飞鸟。

2. The international medical charity, MSF says an investigation into the attack last month by American forces on one of his hospitals in Afghanistan has revealed a frightening catalogue of errors, is called for impartial investigation into the tragedy in Kondoz that killed at least 30 people.

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. Campbell who is in charge of the American military in Afghanistan says it was a tragic but avoidable accident.

in charge of 主管，负责; 照料
例句：Comrade Yang will be in charge of that work for the time being.
杨同志将暂时负责那项工作。

4. Police in Brazil have for the first time arrested the sitting Senator, Delcidio Amaral, who is the member of the governing workers party was detained in connection with the corruption inquiry of the state oil company Petrobras.

in connection with 与…有关，连同
例句：He was in detention in connection with the bribery affair.
他因与贿赂事件有牵连而被拘留了。

5. He is due to be sentenced in January. Laura Rebecca reports.

due to 由于; 因为
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。