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.最终研究的结果用文本+图解的方式清晰地表达.Use Text Information Graphic to clearly express the result of the research.基本的成功的卵图解的例子被显示如下.Examples of bas...
我觉得自己应该放声歌唱。I feel as if I should break into song.生于苏格兰的安妮37岁，最近复出，再度投身于其辉煌的歌唱事业中。Scots-born Annie, 37, has recently re-launched her phenomenally successful singing career.小鸟已经在花园里歌唱了。Birds were already singing in the ga...
这小玩意儿可以粘在任何垂直表面上。The gadget can be attached to any vertical surface.该装置可以装在任何垂直或近似垂直的平面上。The gadget can be attached to any vertical or near vertical surface.这些直线相互垂直吗？Are the lines perpendicular to each other?...