Length of derivation
[計] 推導長度
?? 詞語組成解析
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
derivation
['d?r?'ve??n]
n. 引出，導出;衍生，衍生物;[語]詞源，派生;出處，由來，起源;
de 離開 + riv流動 + ation表名詞 → deriv(e)流自...=起源+ ation表名詞 → 詞源；來歷
??? 情景例句
Rock'n roll is not my cup of tea.
搖滾不是我的所愛。
Life is but a span.
人生如朝露。
It was the last day of the year and a large crowd of people had gathered under the Town Hall clock.
那是一年的最后一天，一大群人聚集在市政廳的大鐘下面。