Manta rays soon emerged : two dozen, some flapping on the surface, more swooping and forth below.
很快地,魟鱼出现了.有二十几条, 一些在水面上拍动, 但有更多在水下前后扑来冲去.
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The medical benefits of x-rays far outweigh the risk of having them...
X光在医学上的益处远甚于它带来的风险。
《柯林斯高阶英汉双解学习词典》
主要起因是早晨太阳倾斜发生地球, 中午垂直的事件太阳光芒地球.
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Sunscreen provides a protective layer against the sun's harmful rays.
防晒霜提供了一层抵挡阳光中有害光线的防护层。
朗文当代高级英语词典 第6版
Works to protect from damage caused chlorine, water, and the sun's harmful rays.
能有效阻止化学物质氯 、 含盐水份与及阳光对皮肤的伤害.
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Works to protect from damage caused by chlorine, water, and the sun's harmful rays.
能保护氯, 海水和太阳紫外线对头发的伤害.
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There was little sinomonine a large number of starch grains in the cells pith and rays.
在髓鞘及射线细胞中有大量的淀粉粒.
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Under ultraviolet rays, oxygen is photolysis, thus producing ozone.
空气中氧气在紫外光的照射下, 发生光解作用, 产生臭氧.
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Rays of dimmed sunlight fall between the pews and statues as the hour passes.
一分一秒过去,幽微的阳光斜射在教堂长座椅和雕像间.
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When a surface is perpendicular to the rays, their intensity is at its maximum.
当表面与射线垂直时，射线的强度最大。
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When a surface is perpendicular to the rays , their intensity is at their maximum.
当表面与射线垂直时, 射线的强度最大.
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Rontgen went on to try to find out more about these strange invisible rays.
伦琴对X射线 作了进一步研究.
英汉非文学 - 科学史
Gradually, as the blue of the sky deepened, the rays of the moon grew richer.
天色逐渐加深, 而月亮的光辉也逐渐加浓.
汉英文学 - 家（1-26） - 家（1-26）
