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前缀:e-, ex-

【词根含义】:出,向外;向上

【词根来源】:e-用在b, c, d, g, j, l, m, n, r, v前;ex-用在s前时,s常省略。来源于拉丁语前缀ex-。

【同源单词】:edit, edition, editor, editorial, educate

前缀:ex-

① 表示"出,出去"

exclude 排外(ex+clude关闭→关出去→排外)

expel 赶出,逐出(ex+pel推→推出去→逐出)

expose 暴露(ex+plse放→放出去→暴露)

exalt 使升高(ex+alt高→高出来→升高)

extract 抽出,拔出(ex+tract拉→拉出→拔出)

excise 切除(ex+cise切→切出→切除)

exceed 超过,超出(ex+ceed走→走出→超出)

exhale 呼气(ex+hale气→出气→呼气)

exhume 掘出,挖出(ex+hume土→出土→挖出)

expurgate 净化;删去(ex+purg冲洗+ate→冲洗出来→净化)

② 表示"前面的,前任的"

ex-wife 前妻(ex前+wife妻子)

ex-president 前任总统(ex前+president总统)

前缀:ex-

1、出、外、由…中弄出

export 出口,输出

exclude 排外,排斥

expose 展出,揭露

excavate 挖出,发掘

exit 出口

exhume 掘出

extract 抽出,拨出

expel 赶出,逐出

2、前任的,以前的

ex-president 前任总统

ex-Nazis 前纳粹分子

ex-mayor 前任市长

ex-chancellor 前任大学校长

ex-premier 前任总理

ex-soldier 退伍军人

ex-wife 前妻

ex-husband 前夫

3、表示“使…”、“做…”、或作加强意义

expurgate 使清洁

exalt 使升高,增高

excruciate 施刑,使苦恼

exaggerate 夸大

exo- 外、外部

exobiology 外太空生物学

exogamy 外族通婚

exoskeleton 外骨胳

exosphere 外大气层

词根词缀:ex-, ec-, e-

【来源及含义】Greek: out of, out, outside; away from; used as a prefix

【相关描述】This is a prefix that is supposed to be used with words or roots of Greek origin. The ex- form is used before vowels or h; ec- goes before consonants.

【同源单词】acentric, eccentric, eccentric, eccentric vision, eccentricity, ecclesia

词根词缀:ex-, e-, ef-

【来源及含义】Latin: a prefix occurring in words of Latin origin used in the senses: out, out of, from; upward; completely, entirely; to remove from, deprive of; without; former [said of previous holders of office or dignity]

【相关描述】Before f, ex- becomes ef-; before all voiced consonants (as b, d, g, etc.) ex- becomes e-.

【同源单词】e pluribus unum, educate, educe, efface, effacement, effete

词根词缀:exo-, ex-

【来源及含义】Greek: outer, outside, external; used as a prefix

【同源单词】exobiology, exobiotic, exocardia, exocardiac, exocardial, exocarp