Helium is a very light gas.氦是一种非常轻的气体。Helium is a gas used in balloons.氦是一种用于气球的气体.Unlike helium - 4, it cannot be produced by radioactive decay.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生....
Helium is a very light gas.氦是一种非常轻的气体。A synthetic element produced in trace quantities by helium isotope bombardment of curium.锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.helium balloons for the children’s party儿童聚会用的氦气球Helium is a gas u...
He mobilized public opinion all over the world against hydrogen-bomb tests.他动员全世界的舆论反对氢弹试验。In London, where I grew up, we were surrounded by bomb sites.在我生长的伦敦，四周全是轰炸后的断壁残垣。The city's bomb shelters were being prepar...
As a result, during the boom, British banks were allowed to bloat.其结果是, 英国各家银行得以在繁荣时期不断膨胀.That gum bloat came on the side of big tooth, good ache, how should I do?大板牙旁边那个牙龈肿起来了, 好疼啊, 我应该怎么办?Just two capsules a day help m...
They proclaimed to be eternal postulates of reason and justice.他们宣称这些原则是理性和正义的永恒的要求.The school building programme postulates an increase in educational investment.修建校舍的计画是在增加教育经费的前提下拟定的.Enclid next lays down five postula...
The developed electronic - actuator was used to realize its mechanization.应用电子操动系统来实现其机械化工程,并给出了计算模型.Performance of control system can be influenced by actuator.执行机构对调节系统的性能有很大影响.A new torque identification strategy of v...