Trying to swat a fly can be among activitiesNow scientists know why it is so hard.
日前,美国科学家通过研究发现苍蝇成功逃跑的秘密,它们会在危险来临时跳走,而并不是设法飞走.
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But missing among the sea urchin genes are some genes found in flies and worms.
但是海胆缺失了在苍蝇和蠕虫中发现的基因.
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His grey eyes shone and twinkled, and his usually pale face was flushed and animated.
他的灰色眼睛炯炯发亮, 经常是苍白的脸涨红了,显得神采奕奕.
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The color of his skin was very pale, because low blood pressure gave him abnormal turgor.
他肤色非常苍白, 因为低血压使他有不正常的浮肿.
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Unfortunately, after finishing it, all of their faces got pale and stomachaches.
不幸的是, 吃完后, 他们都脸色苍白,肚子痛.
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即使他是个小资作家, 苍白的, 缺乏创见的, 他只能为那些小资读者们写作.
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For this reason, medical theory is relatively unhelpful in filling in gaps in the factual picture.
基于这一原因, 医药理论在解决实际问题方面也显得苍白无力.
英汉非文学 - 环境法 - 环境法
Meanwhile the red ribbon was slowly unfurling like a red cloud and then a crimson sea.
下面呢?却还像苍莽的大陆一样,黑色无边.
汉英文学 - 现代散文
Unsurprisingly peasants are undisciplined troops who are better at fleeing than they are fighting.
毫不奇怪他们是群无头苍蝇,逃跑的功夫远远好于作战.
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