With a telescope you can see the huge crater of Ve -suvius.用望远镜你能看到巨大的维苏威火山口。Mauna Loa awoke from a 25 year silence in July 1975, filling its summit - pit crater with lava.莫纳罗亚火山在1975年7月又从沉睡了25年的状态下苏醒过来了, 山顶上的火山口充满了熔岩.Gu...
Floristics is the study of floras, including the preparation of Floras.植物区系学是研究植物区系的一门学科, 其中包括编写植物志.We shall appreciate this difficulty more clearly, by looking to certain existing faunas and floras.通过观察某些现存的动物群和植物群,我们就能...
the silhouette of chimneys and towers烟囱和塔楼的轮廓You will know the house by its tall chimneys.看到那些大烟囱你就会认出那所房子.He could see grimy roofs, factory chimneys and church spires.他可以看到肮脏的屋顶 、 工厂的烟囱和教堂的尖顶.The chimneys were pluming t...
所有四价配位体对铜都有钝化效果,能与铜形成平面的四价配位络合物.All the tetraderadentate ligands were found to be effective with copper, which forms planar four - coordination complexes.可以通过形成络合物的方法来破坏氰离子发生钝化作用.The destruction on inactivation of cyanid...
卖糖果的人刚出现,急切的孩子们便把他包围了.The eager children mobbed the candy man the moment he appeared.我看得见, 也感觉得到那同样的渴望和急切的期待.I could see, could feel the same longing, the same desperate hoping.急切的购物者在牺牲品桌旁仔细检查衬衫以便选购.Eager shoppers were ...