目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。30 percent of reptiles, birds, and fish are currently threatened with extinction.这将导致马鹿的灭绝。It's going to be the death knell of the red deer.这次原油泄漏可能会使波斯湾的海龟灭绝。The spill could wipe out the Gu...
...shrieking and caterwauling in mock distress.故作悲伤地尖叫'It's tragic!' swoons Jeffrey in mock horror...“真惨啊！”杰弗里假装吓昏了过去。The British utopia literature undergoes the process of utopia, mock - utopia and dystop...
雅各布森得出的结论是基于对钐-147衰变成钕-143所作的分析。Jacobsen based his conclusion on an analysis of the decay of samarium-147 into neodymium-143.与氦 - 4不同之处是, 氦-3不能由放射性衰变产生.Unlike helium - 4, it cannot be produced by radioactive decay.将探测到来自...
Electron microscopy has revolutionized the study of crystal imperfections.电子显微学已经革新了对晶体不完整性的研究.These features are examined by optical microscopy, scanning electron microscopy, and transmission electron microscopy.这些图形可以用...