Much of what we know about nuclei comes through scattering experiments.我们现在对原子核的许多认识来自散射实验.The electron clouds are clearly visible as blurs surrounding the invisible nuclei.电子云就象环绕着看不见的核的一片云雾.There are numerous amoeboid ...
She was too exhausted and distressed to talk about the tragedy.她太累了，而且无比悲伤，没法谈论那场悲剧。All that money brought nothing but sadness and misery and tragedy.那笔钱带来的只有伤心、痛苦和悲剧。She will need medical help and counselling to overcom...
Sudden sensorineural hearing loss ( SSHL ) is emergency case in Otorhinolaryngology with unclear aetiology and autotherapy.突发性感音神经性聋是耳鼻喉科常见急症,原因不明,有自愈倾向....