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...
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....
Entry into CC 1 Control Room is restricted to LOP field operators and LOP day staff.对于LOP现场的操作人员和LOP的 日班工作人员进入CC1是严格限制的.He had to lop off whole pages of the report.他必须砍除报告的全部页数.We must seek various ways to deve lop the i...
Victoria Falls has had above average levels of rainfall this year.维多利亚瀑布今年的降雨量超过了平均水平。Rainfall had dislodged debris from the slopes of the volcano.雨水冲走了火山坡面上的岩屑。There have been four years of below average rainfall.已经有4年降...
“贞节”的英语可以翻译为：chastity or virginity, i.e. remaining chaste and faithful to one's husband or betrothed, even after his death, as demanded by the Confucian moral code，chasteness，chastity ...