These chromosomes are so simple that some geneticists prefer to call them chromonemes.这些染色体结构简单,许多遗传学家喜欢称它们为染色丝.Geneticists believe that man's physical fitness has been degraded.遗传学家认为人类的体能一直在退化.Geneticists only rec...
General Goring spoke for about two hours.戈林将军的发言持续了大约两个小时.Always do they talk that way with their arrogance before a goring.他们挨牛角之前,总是这样吹大牛.GORING. My dear Robert, it's a very awkward business, very awkward indeed.(...
Its metallation and addition to cyclopentanone proceeded well to 40.其金属取代物能和环戊酮顺利地反应得到40.Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.Methyl dihydrojasmonate was synthesized fro...