因为它飞翔！
Because it flies in the face of what nutritionists and health care professionals have been saying about weight loss for years, some people can't imagine how it could work.
该饮食法与营养学家和保健专家多年来一直倡导的减肥知识不同，因而有些人无法想象它怎么可能有效果。
It's named Soot because it's so black, an' it hops an' flies about with him everywhere.
它叫煤灰，因为它太黑了，它跟着他到处跳，到处飞。
Here we are, toying with avalanches, backcountry skiing, surfing in rip currents, and then my father is killed because a guy takes off and flies right into a storm. I don't know what to make of it.
我跟我父亲此前会把山崩当儿戏，到罕无人迹的地方滑雪，在激流中冲浪，现在他死了，因为有个人驾驶飞机飞进了风暴中，我不明白到底是怎么回事。
Finding that it works in the same way in mice and fruit flies is important because it means the gene is conserved, or has evolved from "lower" to "higher" animals.
寻找这种基因在小鼠和果蝇中以同样的方式起作用是很重要的，因为它意味着这种基因是保守的，或者说是从低级动物向高级动物中进化的。
So today the plane can fly from Switzerland to Brussels, it flies slowly because we need to save energy, but we have not a single drop of fuel.
所以今天飞机能从瑞士飞到布鲁塞尔，它飞得慢是因为我们要节省能源，但我们不使用哪怕一滴的燃料。
That is because it is relatively easy in flies to knock out the function of a single gene and then attempt cloning with these cells, which will test whether that gene is important.
这是因为在苍蝇中相对比较容易敲除一个基因的功能，然后尝试克隆这些基因敲除了的细胞，并检测这个被敲除的基因是否重要。
That is because it is relatively easy in flies to knock out the function of a single gene and then attempt cloning with these cells, which will test whether that gene is important.
这是因为在苍蝇中相对比较容易敲除一个基因的功能，然后尝试克隆这些基因敲除了的细胞，并检测这个被敲除的基因是否重要。
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