Some of Britain's most endangered wildlife, from red squirrels to native crayfish, are vanishing from the countryside at an alarming rate, a report warns.
英国的一项报告表明该国大多数濒临灭绝的野生物种，从红松鼠到当地小龙虾，正在以惊人的速度消失。
This is nearly 1,000 times the "natural" or "background" rate and, say many biologists, is greater than anything the world has experienced since the vanishing of the dinosaurs nearly 65m years ago.
许多生物学家表示，这个速度几乎1000倍于“自然”或“背景”速率，而且是自6500万年前恐龙消失以来，世界经历的最大一件事。
Some of Britain's most endangered wildlife - from red squirrels to native crayfish - are vanishing from the countryside at an alarming rate, a report warns.
英国的一项报告表明该国大多数濒临灭绝的野生物种——从红松鼠到当地小龙虾——正在以惊人的速度消失。
Yet the rate the ice is vanishing confounds these climatologists' models.
然而海冰消失的速率使这些气象学家建立的气候模型陷入混乱。
It's not quite at the vanishing point, but the real rate of 4.7 percent at the private university in Silicon Valley is still astonishing compared to a decade ago.
虽然不至于录取率为0，但硅谷的私立大学实际录取率只有4.7%，同十年前相比十分令人震惊。
It's not quite at the vanishing point, but the real rate of 4.7 percent at the private university in Silicon Valley is still astonishing compared to a decade ago.
虽然不至于录取率为0，但硅谷的私立大学实际录取率只有4.7%，同十年前相比十分令人震惊。
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