He made a clutch as startled as was the rise of the ptarmigan, and there remained in his hand three tail-feathers.
他惊慌地抓了一把,跟那只松鸡飞起时的慌张没什么两样,不过他只抓到了三根尾巴上的羽毛。
Some instinct had startled them, and they turned their backs on the train and began to bounce away through the grass, their motion as graceful as any ballerina's.
可能是受到了惊吓,它们转身在草原上奔跑,动作像芭蕾舞演员那样优雅。
Scientists expected to find as many as 100, 000 genes packed into the 3 billion bases of human DNA; they were startled to learn that there were fewer than 35, 000.
科学家们先前预计人类DNA的30亿个碱基对中有多达100 000个基因;可他们惊讶地发现只有不到35 000个。
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