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.蕨类植物和针叶树的木质部仅含有管胞.The xylem of ferns and conifers contains only tracheids.胞质流还仅仅是一种解释真菌中转移的假说.Streaming is still...
They campaign nationally for the protection of commons, village greens and footpaths.他们在全国搞运动宣传保护城市公园 、 乡村绿地和人行小径.The place is nationally known for its melons and fruit, especially its seedless grapes.这里的瓜果, 尤其是无核葡萄驰名全国....
They saw the corpse sprawled on the steps.他们看到那具尸体四肢伸开躺在台阶上。What she saw was just an unfeeling corpse.她见到的只是一具全无感觉的尸体.We found a corpulent corpse and a letter of correspondence.发现里面有一具臃肿的尸体和一封联系信件.The corpse was preserve...
从前他见过不少这样的客厅,墙上是红色锦缎, 上面挂着 “ 意大利流派”的画.He had been before in drawing - rooms hung with red damask, with pictures'of the Italian school '.面料: 蕾丝, 丝绒, 真丝, 锦缎, 高级毛料 、 北欧的珍贵裘皮等.Fabric: lace, velvet, silk, brocade, s...
Matilda was born in northern Italy in 1046 and apparently lived to a ripe old age.玛蒂尔达1046年出生在意大利北部，据信享有高寿。Matilda was embroidering an altar cloth covered with flowers and birds...玛蒂尔达在一块有花鸟图案的祭坛布上刺绣。Matilda was embroide...