the many isotopes of carbon碳的诸多同位素Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.The inferno spewed a deadly plume of radioactive isotopes into the atmosphere.这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层....
There are two main types of uses of radioactive isotopes in biochemistry.在生物化学中,放射性同位素主要有两方面的应用.Nucleon and use of radioactive isotopes to launch particle ionizing air molecules.核子中和利用放射性同位素发射粒子,使空气分子电离.More reactive are...
War turns morality inside out: killing and cruelty are virtues.战争颠倒是非：杀戮与残忍成了美德。We have sworn to fight cruelty wherever we find it.我们发誓要见恶除恶。Cruelty is a normal attribute of human behaviour.残忍是人的天性之一。...
The canoe is made from an impermeable wood.独木舟由防水木头制成。The external layer of the skin is relatively impermeable to water.皮肤的外层不透水.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水....
In one instance half a dozen Sikh prisoners were held immobile.有一次,六个锡克人被抓起来捆在那里....a Sikh temple.锡克教寺庙...a leading member of Bristol's Sikh community...布里斯托尔锡克教社群一位出类拔萃的成员The Sikh grasped the wheel and shook his he...
A crawler, device of girth welds testing outside pipeline is developed successfully.成功地研制了管道外检测机械装置—爬行器.The pool is divided into three sections with a crawler lane for beginners.泳池分三部分，有为初学者而设的慢泳道。The Google crawler does...
an allusive style of writing引经据典的写作风格The young schoolboy can not understand the allusive conversation of intellectual men.这个年轻的学生听不懂文人们引经据典的谈话.His new play, Arcadia, is as intricate, elaborate and allusive as anything he...
There were thrills in plenty on Saturday at Terrassa, where Germany won the gold medal...周六的塔拉萨充满着紧张兴奋的气氛，德国队在此赢得了金牌。These thumps are replaced by thrills when valvular insufficiencies or stenoses or congenital defects ar...
Would a kiddie tank operated on batteries do?电池驱动的玩具坦克行 吗 ?Aeration is a tank where microorganism decompose organism in waste water.曝气池是栖息在活性污泥中的微生物分解污水中有机物的场所.I will lase the tank on your call.你从东进入向南撤出.With a wrench he...