BBC在线收听下载:缅甸政府同部分反对武装签署停火协议

短语讲解：

1. What it is gonna mean is that will be a starting point for political dialogue, discussions and what Myanmar might look like in the future and a federal system of government.

look like 看起来与（某人或某物）相像[相似]
例句：It began to look like a deliberate and planned attack.
这看上去越来越象是有意而有计划的攻击了。

2. A computer problem has been caughting delays at a number of airports across the United States.

a number of 一些; 许多的
例句：Monkeys are transmitters of a number of dangerous diseases.
猴子是许多危险疾病的传染媒介。

3. They say they've been able to conduct detailed analysis of the remains.

be able to 能够
例句：We must be able to stay impartial at all times.
我们必须经常保持公正的态度。

4. But its lower back was covered in short hedgehog-like spines sand some tough scales helping it to ward off preditors predators such as the small dinosaurs that shared its habitat.

ward off 抵挡; 避开
例句：I try to ward off fatigue by resting as much as possible.
为了防止疲劳，我尽可能多休息。