另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.LBG还 可与黄原胶和角叉胶单环反应,形成坚硬凝胶.LBG also interacts with xanthan and carrageenan helices to form rigid gels.用无溶剂法合成了一种单...
The Baudelaire parents had an enormous library in their mansion.伯德莱尔夫妇家中有个庞大的图书馆.Klaus Baudelaire: How could they do this to us?克劳斯: 他们怎么能对我们这么做?Charles Baudelaire A Lyric Poet in the Era of High Capitalism.《查理斯.波特莱尔∶发达资...
You know, like when you get headsets at the museum?你知道, 就像参观博物馆的那种助听设备?Today already have a retractable line, MP 3 headsets , optical mice, etc. products.今天已经拥有伸缩线, MP3耳机, 光电鼠标, 等等产品.Bone conduction microphones enable he...
Allen, don't you dare go anywhere else, you hear?艾伦,其他地方哪儿都不准去,听到了吗?Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.--James Allen人们总是渴望改善周遭环境,但是却不...