etymologist
美 [?et?'m?l?d??st] 英 [?et?'m?l?d??st]
英漢解釋
例句
An etymologist can trace the origin and development of a word, but who can identify the moment when absolutely took off?
一名詞源學家可以追蹤一個詞的源頭和發展;但是誰能發現”肯定“什么時候流行的呢?