expatiate

v [Ipr] ~ on/upon sth (fml 文) write or speak at great length or in detail about a subject 详述; 细说; 阐述: The chairman expatiated for two hours on his plans for the company. 董事长用两小时阐述了公司的规划.

exodus, exonerate, exoneration, exorbitance, exorbitant, exorcise, exorcism, exorcist, exorcize, exorcise, exotic, expand, expanded metal, expanded polystyrene, expanse, expansion, expansionism, expansionist, expansive, expansively, expansiveness, expatriate, expect, expect of, expect sth. of sb., expectancy, expectant, expectant mother, expectantly, expectation, expectation of life, expected, expectorant, expectorate, expedience, expediency, expedient, expediently, expedite, expedition, expeditionary,