When the sun's rays hit the earth, a lot of the heat is reflected back into space.
太阳光线照射到地球时，大量的热被反射回太空。
《牛津高阶英汉双解词典》
感生通过用中子流 、 r射线线和其它一些粒子流射向一个物质而产生 ( 例如,放射现象 )
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Examination of the interior of a joint using x-rays following the injection of radiopaque substance.
注射造影剂后用放射线检查关节;形成关节影像.
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They had called the rays from it radioactivity; they now decided to call the element radium.
他们从放射性特性方面考虑为新元素命名, 于是决定称其为“镭”.
英汉非文学 - 科学史
Radium , because of its powerful radioactive rays, can go deep into the human body.
镭因为它有强大的放射性线, 能够穿透人们的身体.
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The adverse effects seemed to happen only when UV rays sunscreen that had penetrated the skin.
似乎只有当UV射线接触渗入皮肤的防晒剂时,才会引起这些不良反应.
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A sun cream provides adequate protection against harmful ultraviolet rays.
使用防晒霜可以保护皮肤不受紫外线的伤害.
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大量的能量，从 X 光直到无线电电波，都正被泄露到太空中去。
《柯林斯高阶英汉双解学习词典》
Imagine giant fields filled with photovoltaic solar panels, soaking up rays.
设想,一个巨大的场地上全是光电太阳能板在吸收光能.
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Snorkelling was amazing, daily seeing reef sharks, parrot fish and sting rays.
浮潜是惊人, 每天看礁鲨, 鹦鹉鱼和魟鱼.
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