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.This apparatus produces harmful radiations.这种仪器会产生有害的辐射物.Most metallic and some nonmetallic elements will emit c...
This apparatus produces harmful radiations.这种仪器会产生有害的辐射物.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.Our knowledge regarding the effects of ionizing radiations i...
Igloos are usually dome - shapedand are made of large slabs cut from compacted snow.雪屋通常都是圆顶结构,由坚实的冰雪割成大块的冰砖搭建而成.corpses laid out on cold mortuary slabs放在冰冷的停尸桌上的尸体Slabs of rock had slipped sideways in the remote past, a...