双语例句原声例句
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如果我透过窗户看你，物体在一些轨道上，有上升和下降，也有水平运动。
If I see you through the glass, the object is going on some trajectory, which has got both up and down and horizontal motion.
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观察上升和下降的星对是一个很好的技巧。
Looking at rising and setting star pairs is a good technique.
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一万年的树木年轮显示，碳14水平大约每420年上升和下降一次。
Ten thousand years of tree rings show that the carbon-14 level rises and falls about every 420 years.
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Now the two things to notice about this are the high spike that you have out here which occurs very rapidly and then the rapid decline in blood sugar, and insulin is involved in this whole reaction.
有两个需要注意的事情是,你们在这看到的急剧变化的曲线代表着,迅速上升和迅速下降的血糖,另外胰岛素也随之发生变化
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