(单词翻译:单击)
听力文本
The global polar bear population could decline by more than 30 percent in as little as 35 years. That's according to a new study in The Royal Society's Biology Letters.
全球北极熊数量在35年内可能下降超过百分之30。这是根据英国皇家学会生物学快报的一项新研究。
Researchers looked at climate change effect on the Arctic Sea and calculated the likelihood of this projected population drop is 71 percent.
研究人员观察气候变化对北极海的影响，并计算出预计种群下降的可能性为百分之71。
That's because polar bears stand on Arctic Sea ice when hunting for seals. According to NASA, even the thickest ice in the Arctic Ocean has "either thinned or melted away."
这是因为北极熊捕猎海豹时站在北极海的冰上。美国国家航空航天局表示，甚至北冰洋最厚的冰要么变薄或要么融化了。
And just this week, scientists reported sea ice levels in the area were at a record low for this time of year.
就在本周科学家报告称，该地区的海冰水平创下一年中这个时候的历史新低。
This all adds up to not great news for polar bears. With an estimated population of 26,000, the bears are already listed as a vulnerable species by the International Union for the Conservation of Nature.
这对北极熊不是什么好的消息。现估计有26,000头北极熊，已被国际自然保护联合会列为易危物种。
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词汇解析
1、project
项目；工程；计划；规划
Money will also go into local development projects in Vietnam.
钱也会用于越南的地方发展项目当中。
an international science project.
国际科学项目
规划；计划；预计
Africa's mid-1993 population is projected to more than double by 2025.
预计到2025年，非洲的人口会是1993年年中人口的两倍多。
The government had been projecting a 5% consumer price increase for the entire year.
政府预测全年消费价格将增长5%。
（使）呈现；（使）表现；（使）展现
Bradley projects a natural warmth and sincerity.
布拉德利表现出一种自然的热情和真诚。
He just hasn't been able to project himself as the strong leader.
他根本没能表现出一个强有力的领导者的样子。
2、estimate
估算;估价
the official estimate of the election result.
竞选结果的官方预测
This figure is five times the original estimate.
这个数据是最初估算的5倍。
评价;评估;判断
I hadn't been far wrong in my estimate of his grandson's capabilities.
我对他孙子的能力的判断还不算太离谱。
估算单;预算书
The shop also offers a curtain-making and fitting service. Quotes and estimates can be prepared by computer on the spot.
那家商店还提供窗帘制作和安装服务，而且可以用计算机现场制作报价单和预算书。
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