1570s, in a physiological sense relating to tissue development, from Late Latin elaborationem (nominative elaboratio), noun of action from past participle stem of Latin elaborare "work out, produce by labor, endeavor, struggle," from ex- "out" (see ex-) + laborare "to labor" (see labor (v.)). Meaning "act of working out in great exactness and detail" is from 1610s.
权威例句
1. This point needs further elaboration.
这一论点有待进一步发挥.
2. This point is self - evident and needs no elaboration.
含义自明,无须多说.
3. The decoration has reached an extravagant degree of elaboration.