只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.There are just four kinds: adenine, thymine, guanine and cytosine.腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.尿嘧啶 -- 核糖核酸中的一种嘧啶,与腺...
Tremendous wrongs were being perpetrated on the poorest and least privileged human beings...对最贫穷和最没有特权的人们犯下了大量罪行。Discussions between a lawyer and client are privileged communications.律师与当事人之间的谈话属于保密信息。The data is privile...
This could occur as a result of some structural instability or looseness in the shell.当外壳产生某些结构不稳定或松动时,就能产生这种情况.The flexibility and looseness of the materials from which mythology is made.神话的取材往往随意灵活.Misunderstandings ca...
她驻足凝神欣赏这片景色。She stood feasting her eyes on the view.梅利娜凝神细听着他的每句话，被深深吸引住了。Melina was hanging on his every word, fascinated.我们激动地屏息凝神.We held our breath in excitement....