他把谈话逐渐引导到自己最热衷的话题上.He has led up to his favourite topic.戴恩本人就特别热衷的群图解的倡导者.Dehn himself was a particularly enthusiastic advocate of group diagrams.在这些事情上,奥林匹阿斯是个内行,是个热衷的人.In these matters Olympias was an expert and an ent...
昆虫和蠕虫都是无脊椎动物。Insects and worms are all invertebrates.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.In the earthworm and many other invertebrates, these excretory structures are called nephridia.公园里的本地特有的脊椎动物和无脊椎动物也很多.Endemism of vertebrate...