许多新词都是由已经在英语中存在了几个世纪的词根、前缀和后缀组合而成的。
Many of these new words are combinations of root words and prefixes and suffixes which have already existed in English for centuries.
派生法在构词法中最有生气，它是通过在词根前后添加前缀和后缀而构成更多新词。
Derivation in word formation of the most dynamic, it is through the root before and after adding prefixes and suffixes and form more new words.
常见的词根约有300多个，常见的前缀后缀约有100多个。
Common root about more than 300 common prefixes and suffixes, there are more than 100.
这种方法就是在一个词根的基础上加上一个前缀或后缀，从而构成另一个新词，并且与该词根的含义有着密切的联系，此类词便称为派生词。
This approach is based on a root with a prefix or suffix, so as to constitute a new term, and with the root meaning is closely related to, such words would be known as derivatives.
英语词汇数量虽然庞大，但构成单词的元素——词根、前缀和后缀等却是有限的。
English vocabulary amount is large, but form a word elements - root, prefix and suffix is limited.
为记住在一个英语单词中可能有三个组成部分的顺序，应照例从左向右读这个词时，并想着前缀—词根—后缀或PRS。
To remember the order of these three possible word parts in an English word, read the word from left to right as usual and think Prefix-Root-Suffix or PRS.
为记住在一个英语单词中可能有三个组成部分的顺序，应照例从左向右读这个词时，并想着前缀—词根—后缀或PRS。
To remember the order of these three possible word parts in an English word, read the word from left to right as usual and think Prefix-Root-Suffix or PRS.
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