雅各布森得出的结论是基于对钐-147衰变成钕-143所作的分析。Jacobsen based his conclusion on an analysis of the decay of samarium-147 into neodymium-143.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.Unlike helium - 4, it cannot be produced by radioactive decay.将探测到来自...
I have orders to deliver it to Mr Demiris personally.我奉命要把它送给德米里斯先生本人。As long as I deliver the goods, my boss is very happy.只要我做好本职工作,我的老板就很高兴。She lapsed into a little girl voice to deliver a nursery rhyme.她改用童声唱起童谣来。...
Lymph nodes are round or bean - shaped structures strategically placed on lymphatic channel.淋巴结是圆形或豆形的构造,它们被战略性地布置于淋巴管的经路上.The result shows the encephalic pathological tissues have effect on the scalp boundary nodes pote...
I'm an exhibitionist, and I get off on the entertainment we give people.我这人爱出风头,能让大家高兴我就觉得很来劲儿。The exhibitionist desires to attract attention to himself.好表现的人渴望吸引人们注意自己....