双语例句原声例句
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他有一双圆圆的蓝眼睛，睁得大大的，四处张望。
He has such round blue eyes and they are so wide open with looking about.
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走在木板上，我仔细地一个一个研究这些浮雕，突然发现前面有一双靴子，从拐角处探出来。
Walking along planks, studying these friezes of desolation, I found myself wondering whose boots lay ahead, poking round a corner.
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有些人有两种“长的”启动基因(一个是从一位双亲中遗传而来)，启动基因是一种减少神经元连接处的血清胺数量的组合体。
Some people had two "long" versions of the promoter gene (one inherited from each parent), a combination that reduces the amount of serotonin in the junctions between nerve cells.
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They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.
这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下
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