Euclid was trying to convey his idea of a geometrical point.欧几里得试图表达他的一个几何学观点。Some of these are mistakes made by Euclid that can be remedied.有些错误是欧几里德搞错的,可以纠正.Where Euclid unconsciously assumed the infinitude of straight...
after的近义词有：after, behind, at the back of。下面这些词均有"在……后面"的含义：after和behind用来表地点时，前者强调的是顺序的先后，而后者侧重方向和位置的前后关系。请比较：The student sat after me.那个学生坐在我后面。(我坐在他前面)。The student sat behind me.那学生坐在我背后。after与behind用于指时间时，前者强调时间的先后顺序，...
Iran remains an enigma for the outside world.对于外界而言，伊朗仍是个谜。It is an enigma to me.它对我来说是个迷.To German intelligence, Major de Coverley was a vexatious enigma.对德国的情报机关来说, 德?科弗利少校是个老猜不透的谜....