radiations
n.
辐射（能）( radiation的名词复数 );
放射物;
辐射的热（或能量等）;
放射疗法;
例句:
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This apparatus produces harmful radiations.
这种仪器会产生有害的辐射物。
来自《权威词典》
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They are all harmful man-made radiations according to you.
来自SA
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Most metallic and some nonmetallic elements will emit characteristic radiations.
大多数金属和某些非金属元素都会发出特征的射线.
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Our knowledge regarding the effects of ionizing radiations is still meagre.
我们关于电离辐射效应的知识仍很不足.
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It does not interact with electromagnetic radiations.
来自SA
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These critters are hanging on by the skin of their adaptive radiations.
来自SA