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.嘌呤为嘧啶取代或嘧啶为嘌呤所取代,叫做颠换.The substitution of a purine for a pyrimidine, or vice versa is a transversion.本文研究氟脲嘧啶(5—...
必须在可行的地方使用可再生能源。Renewable sources of energy must be used where practical.德里克让我相信这个想法是可行的。Derek persuaded me of the feasibility of the idea.很清楚,电动汽车在工艺技术上是可行的.It's quite clear that the electric car is technically fea...
这支队伍需要一位他这样技术水平的司机。The team would have need of a driver of his worth.据报道，该矿事故发生率是全国平均水平的3倍。The mine reportedly had an accident rate triple the national average.北爱尔兰的失业率是全国平均水平的两倍。Unemployment in Northern Ireland is twice...
Motorists regularly flout the law .驾车者经常无视法律。No one can flout the rules and get away with it.谁也不能违反这些规则而不被处分.Timeshare companies also come in for a rap as they continue to flout the rules.各分时度假公司也受到了批评，因为他们一直违反相关规则。...
把握安放平电扫描脚,使平不面不巧打在色不本的洋部.Around photo electricity scanning head spot hit the middle of the color tag.这些景观章显平泉风采,无疑使平泉成为了山水园林城市.These landscapes are remarkable Hiraizumi s style has undoubtedly become a landscape garden c...
At the onset of germination, the hypocotyl elongates rapidly by cell enlargement.萌发开始时, 下胚轴依靠细胞增大而迅速伸长.It's simple really: Hair that's longer than your face elongates it.这款发型的确很简洁: 头发比脸长会使脸看上去长一些.As spermatid n...