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
His yearly salary is in seven digits.
他的年薪是7位数。
Laugh before breakfast you'll cry before supper.
乐极生悲。
our confidence in the curative properties of the bottle of medicine remains the same as theirs.
我们对瓶装药品疗效的信心仍与祖辈一样坚定。