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—...
Let's tidy up the room.我们把屋子拾掇一下.He tried to tidy up, not wanting the maid to see the disarray.他试图收拾一下，不想让女佣看见那里乱七八糟。We should tidy up the place before we move in.在我们搬进去之前应该先把那地方收拾一下....
This young man had all the inclination to be a profligate of the first water.这个青年完全有可能成为十足的浪子.Their profligate lifestyle resulted in bankruptcy.他们挥霍的生活方式导致的破产....the most profligate consumer of energy in the world.世界上能源挥...
to decorate with filigree用金细丝饰品装饰The filigree, presumably by virtue of these fields, completely alters the structure of the granulation.大概是由于这些磁场的作用, 精细网络完全改变了米粒组织的结构.Mithril filigree has a slightly reduced range that it...