Length of derivation
[计] 推导长度
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
derivation
['dɛrə'veʃən]
n. 引出，导出;衍生，衍生物;[语]词源，派生;出处，由来，起源;
de 离开 + riv流动 + ation表名词 → deriv(e)流自...=起源+ ation表名词 → 词源；来历
🗣️ 情景例句
The welcome sign over the door.
门上的欢迎标语。
He said he knew a lot of people there.
他说他在那里认识很多人。
I would not hear of the suggestion and said that I would fix it myself.
我不愿听妻子的建议，说我自己会修。