radiations的例句（radiations在句子中的用法）

• 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.
• This apparatus produces harmful radiations. 这种仪器会产生有害的辐射物.
• At very high intensities, nuclear radiations cause itching and tingling of the skin. 当核辐射强度很高时, 它能使皮肤感到发痒和刺痛.
• 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.