横神经通往同体节的气门.The transverse nerves pass to the spiracles of their segment.腹面昆虫的腹部体节.The abdominal segment of an insect.脊椎动物的脊柱来源于体节,体节是胚胎发生过程中的过渡性结构.The vertebral column is derived from somites, which are mesoderm that ar...
Many aqueducts from ancient Roman times still stand today near the Mediterranean Sea.许多古罗马时代的引水渠至今还保留在地中海附近.Hilly countries can be canalized by the construction of locks, tunnels, and bridge aqueducts.可以通过修筑闸门 、 隧道及高架引水道...
Its proboscis has got stuck to a lot of pollen.它的喙上粘了很多花粉。Its proboscis works like a syringe to draw out blood.它的口器工作原理就像注射器抽血.They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物...
The personify the divine and magic powers worshipped by the people.它们把人们崇拜的神力和魔力都人格化了.To make history or psychology alive I personify it ( Ana ? s Nin )我将历史或心理人格化,使得它具体生动起来 ( 阿奈斯尼恩 )She seemed to personify goodness and n...
溴、氯阳离子化合物的数量受局限.The number of cationic bromine and chlorine compounds is restricted.溴化反应较不易发生.Bromination takes place less readily.溴化烷可以这样形成.Alkyl bromides can be produced this way....