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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由于 X 射线的波长短, 它就能穿透一般光线所不能穿透的物体.
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户外电线: 适用于花园, 车间和车库等工作场所, 有防水和防紫外线功能.
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The first whitish rays have appeared above the horizon, it may be six o'clock now.
东方已经现出鱼肚白了, 现在估计有六点了吧!
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众所周知的是医学用的 X 射线, 但是它们并不是聚焦成象的——只是光线通过身体投下的影子,利用的是1895年威廉·伦琴率先发明的技术.
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Moreover, the projectile X-rays have a Doppler shift and line broadening.
另外，入射离子发射的X射线还会产生Doppler移动和展宽等。
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The sun's ultraviolet rays are responsible for both tanning and burning.
阳光中的紫外线是皮肤晒黑和灼伤的根源。
《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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Water is not an effective shield against the sun's more harmful rays.
水不能有效阻挡太阳中更有害的射线。
《牛津高阶英汉双解词典》
