We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。The flakes seem to fuse together and produce ice crystals.雪花好像融合在一起形成了冰晶。These thin crystals transmit much of the power.这些薄薄的晶体传导了大部分的动力。...
Lovelock eased back the throttles and the ship steadied.洛夫洛克慢慢地拉杆减速，船稳了下来。The pilot throttles back slightly to maintain level flight.飞行员稍稍减速，以保持水平飞行。The Vimy, throttles full open, began to roll slowly down the field.“维米号...
我们能用统计力学方法来分析星体物质的性能.We can analyze by statistical mechanics the behavior of the stellar substance.一团星云实际上是无数星体不连续的集合体.A nebula is really a discrete mass of innumerous stars.流星体在快速穿过大气层时, 因磨擦而迅速加热.Moving swiftly through ...