BBC在线收听下载:柬埔寨滥伐森林活动猖獗 林木减少速度惊人

短语讲解：

1. French officials are examining part of an aircraft washed up on an Indian Ocean island to find out whether it comes from a missing Malaysian plane.

wash up <英>饭后洗餐具; <美>洗脸和手; 将…冲上岸
例句：I 'll just go and wash up before lunch.
午饭前,我要洗漱一下。

2. Investigators should be able to tell quite quickly whether this piece of debris thought to be part of a wing is from the missing Malaysian aircraft.

be able to 能够
例句：He is able to lift a very heavy weight.
他能举很重的份量。

3. Russia has blocked an attempt at the United Nations to set up an international tribunal to try those who shot down a passenger plane over eastern Ukraine a year ago.

set up 建立
例句：They set up many branches throughout the country.
他们在全国建立好多分公司。

4. Security has been stepped up in Mumbai since Wednesday to prevent any violent reactions to the execution.

step up 加紧
例句：We must step up our vigilance.
我们一定要提高警惕。

5. Deforestation has long been a big issue in Cambodia. In the 1990s, timber felling permits, granted by the government, led to a rapid decline in tree cover in Cambodia.

lead to 导致
例句：That may lead to a serious split in our class.
那可能导致我们班的严重分裂。