名词做同位语时需加逗号么But now it is realized that supplies of some of

3个回答

  • 同位语前的逗号可加可不加,其实没有多大规则,举个例子,Our teacher, professor Wu, has been to America. (我们的老师吴教授去过美国.)同时Our teacher professor Wu has been to America.也是可以的.如果非要说有什么规则,倒是有个惯例,如果同位语很长,那一般加逗号,例:Helen falls in love with Jack, a son of an artist.(海伦爱上了艺术家的儿子杰克.)