BBC在线收听下载:世卫组织敦促各国限制埃博拉疑似病例出境

1. President Obama has issued a fresh appeal for calm in Ferguson after more than week of unrest sparked by the police shooting of an unarmed black teenager.

more than 多于
例句：Margaret needed support more than ever. 
玛格丽特比以往更需要关心。 

2. Mr. Obama said that demonstrated that they were capable of working together and will continue to receive strong support from American forces who will conduct more airstrikes on militant positions.

work together 搭档; 合作
例句：We work together in harness for the president. 
我们都是总统的马前卒。

3. And that if the rate of poaching doesn't slow down, the species could be wiped out in the foreseeable future.

wipe out 了结; 擦掉（符号）
例句：We'll wipe out any enemy that dare to invade our territory. 
敌人胆敢来犯，我们就把它消灭。 

4. And that if the rate of poaching doesn't slow down, the species could be wiped out in the foreseeable future.

slow down （使）慢下来; （使）生产缓慢
例句：Slow down a bit and let me come up with you. 
跑慢一点让我赶上吧。