-
科学美国人60秒:有毒鸟食危害鸟类
Birds face many man-made mortal threats: windows, cats, habitat destruction, even climate change. And now, there's p2012-09-19 编辑:melody 标签: 我来听写
-
科学美国人60秒:人类与老虎如何共处?
Tyger! Tyger! burning bright in the forests of the night. Immortal though those William Blake lines may be, ti2012-09-11 编辑:melody 标签: 我来听写
-
科学美国人60秒:地球上到底有多少生命?
The charismatic megafauna may get all the attention, but it's amoebas, nematodes and microbes that make up the bulk of life on Earth. So how many microbes are in the sea floor? A new analysis2012-09-05 编辑:melody 标签: 我来听写
-
科学美国人60秒:美国总统候选聚焦能源问题
Presidential hopeful Mitt Romney pledged to achieve North American energy independence by 2020 this week. That's a presidential move because every president since Richard Nixon has pledged so2012-08-28 编辑:melody 标签: 我来听写
-
科学美国人60秒:福岛核泄漏导致蝴蝶变异
Japan's Fukushima Daiichi nuclear power plant suffered three meltdowns last year. Paired with hydrogen explosions, these meltdowns allowed radioactive material to escape. So what's th2012-08-20 编辑:melody 标签: 我来听写
-
科学美国人60秒:在北极海上勘测石油
The Chukchi Sea lies between Alaska and Russia just north of the Bering Strait. Shell Oil hopes to begin drilling in these Arctic waters in the next few days—if the U.S. government grants permission2012-08-13 编辑:melody 标签: 我来听写
-
科学美国人60秒:紫外线让鱼患皮肤癌
Ultraviolet rays don't just bronze sunseekers on the beach. Underwater, they can give hammerhead sharks a suntan. And worse—give fish skin cancer. So says a study in the journal PLOS ONE.紫外2012-08-06 编辑:melody 标签: 我来听写
最新讲解下载
频道本月排行
-
1
美制造商利用“缩水式通胀”将成本转嫁给消费者
由于美国的通货膨胀达到了40年来的最高水平,因此我们在商店里都要花更多的 -
2
研究证实--八周大的幼犬已经可以理解人说话(
谁是好孩子?你是个好孩子吗?是,你是个好孩子! - 3
- 4
- 5
- 6
- 7
- 8
可可英语官方微信(微信号:ikekenet)
每天向大家推送短小精悍的英语学习资料.
添加方式1.扫描上方可可官方微信二维码。
添加方式2.搜索微信号ikekenet添加即可。
添加方式1.扫描上方可可官方微信二维码。
添加方式2.搜索微信号ikekenet添加即可。