英语后缀的添加与拼写有其特点与规则 ,某种情况下 ,词根部分要发生变化 ,某种情况下 ,后缀部分要发生变化 ,这就需要学习者一一掌握 ,才能准确、有效地掌握词汇 ,从而达到举一反三的效果 English suffix addition and spelling has its own characteristics and rules, in some cases, the root part to be changed, under certain circumstances, the suffix part to be changed, which requires learners to grasp one by one, in order to accurately and effectively grasp the vocabulary , So as to achieve the same effect