词根：-sper-

【词根含义】：希望

【词根来源】：来源于拉丁语动词sper.o, sper.are, sper.avi, sper.atus(希望)。

【同源单词】：despair, desperado, desperate, desperation, prosper

前缀：pro-

【词根含义】：前;公开

【词根来源】：来源于希腊语和拉丁语pro。

【同源单词】：by-product, compromise, improvident, microprocessor, portrait

词根词缀：-ous, -ious, -eous

【来源及含义】Latin: full of or having the qualities of; in chemistry, a suffix denoting that the element indicated by the name bearing it, has a valence lower than that denoted by the termination -ic; as, nitrous, sulphurous, etc., as contrasted with nitric, sulphuric, etc.

【相关描述】Only a small number of the hundreds of examples are presented because there are just too many to include at this time.

【同源单词】abdominous, abiogenous, ablepharous, abstemious, acanthaceous, acanthocephalous

词根词缀：sper-

【来源及含义】Latin: hope

【同源单词】despair, despairingly, desperado, desperate, desperately, desperation