derive词根词缀记忆方法记
前缀de-, 从，向下，离开+词根-riv, 流动
v.得到;获得;取得;(使)起源;(使)产生;
变形
现在分词deriving过去式derived
过去分词derived第三人称单数derives
Such men however are not quite pure examples since they also derive immense satisfaction from vanity .
然而，这类人还不是最好的例子，因为他们从名欲中得到巨大的满足。
