More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素, 氘和氚.Deuterium is widely used in the study of reaction mechanisms and in spectroscopic studies.氘广泛地应用于反应机理的研究和光谱分析.The substituent i...
More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素, 氘和氚.The substituent is deuterium.取代基是重氢.the nucleus of a deuterium atom氘原子的原子核Deuterium is widely used in the study of reaction mec...
如他所愿，这句带刺的话刺痛了她。The barb stung her exactly the way he hoped it would.他是个敏感的小伙子，有些批评刺痛了他。He's a sensitive lad and some of the criticism has stung him.同时，她觉得脖子上一阵刺痛。At the same time she felt a prick on her neck....
Take him out and behead him!把他拉出去,斩了.It needed only a fraction of a second to behead him.砍去他的脑袋只要短短的一瞬.Some day, with additional two capital punishment a ask behead.某日, 与另两位死刑犯一道问斩.The kidnappers had threatened to behead...