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词根:-jac-, -ject-, -jact-

【词根含义】:投,射

【词根来源】:来源于拉丁语动词jacio, jacere, jaci, jactus(投,射)。

【同源单词】:abject, adjective, conjecture, deject, dejected

前缀:ob-

【词根含义】:相反;离开;对面;在...上面;来,临近;加强意义

【同源单词】:obdurate, obedience, obey, object, objection

词根词缀:jet-, -ject, -jecting, -jected, -jection, -jector, -jectory; jacu-, jac-

【来源及含义】Latin: throw, send, fling, hurl, cast; gush; spurt

【同源单词】abject, abjection, abjectly, abjectness, adjectival, adjectival

词根词缀:ob-2

【来源及含义】Latin: against

【相关描述】Before c, ob- becomes oc-; before f, ob- becomes of-; before g, ob- becomes og-; before p, ob- becomes op-; before m, ob- becomes o-

【同源单词】obduracy, obdurate, object, objection, objectionable, objective