单词	primary isotope
释义	primary isotope 原始同位素
随便看	Her property fronts on the highway Her proposal has something to recommend it Her proposal met with continual rejections her prospects were desolate herps herps pudendalis herps zoster herps zoster complications herptile herptiles Her pulse quickened Her purposeful stare showed she meant business Her purpose in learning is to be a doctor Her purse is empty Her purse was stolen when she was on the bus Herpy herpyllobiid herpyllobiids herpysma Herpysma Herpysma longicaulis Her Quaker father was a supporter of this belief Herque herqueichrysin herquein