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...
With your current foot technique you'll end up trashing them in no time anyway.以你当下的脚步技术,绝对很快就能废掉一双好鞋.Reprocessing or Trashing Audit Log containers with a log no longer fails silently.回收带有纪录的再生安全审计货柜将不再一声不啃地失败....