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词根:apt(ept, att) = fit 适当的

  来源于拉丁语的aptus(=fit),词根ept,att是apt的变形。

同源词:

1. adapt [便适合于某物ad(= to) + apt (=fit)]
  vt. oneself + to +sth 使适应,使合适:改编;改造
  vi. to + sth
  adaptation  n. 适应,顺应;改编
  adaptability  adj.适应性
  adaptable adj.可适应的;可改蝙的
  adapted  adj. 合适的
  adaptive  asdj.合适的,适应的
  They say it takes 6 weeks to adapt to a new town after you move. 人们说搬家之后需要6用的时间来适应新城市的生活。

2. adept [正好适合于某物的,合适的ad(=to) +ept<apt(=fit)]
  adj. 熟练的,娴熟的,精通的
  n. 能手;内行
  He's quite adept at archery,nearly always hitting the target dead on. 他很擅长射箭,几乎每次都能射中靶心。

3. inept [不适当的in(=not)+ept<apt(=fit)]
  adj. 不适当的;不熟练的;愚笨的;无能的
  ineptitude  n. 不熟练,不适宜;不当的言行
  ineptly  adv. 不适当地
  l apologize for my inept remark;I never meant to offend you. 我为自己不恰当的言语道歉,我绝不是有意冒犯您。

4. apt
  adj. 合适的,恰当的;聪明的;易于…的,有…倾向的
  aptly  adv. 适当地;巧妙地
  aptness  n. 适合性;倾向;才能

5. aptitude
  n.恰当,适宜;天资;倾向
  aptitude test  能力倾向测验
  Scholastic Aptitude Test  学习能力倾向测试,即SAT,美国大学本科标准入学考试

6. attitude
  n.态度;姿势 *att<apt(=fit)
  strike an artitude  装腔作势

7. attitudinize
  v. 装腔作势 *att<apt(=fit)

8. contraption
  n.奇妙的装置;新发明物 *contr<contra(=against)

9. periapt
  n.护身符 *peri(=around)

词根:opt, ept = fit, ability, 表示“适应, 能力”

apt 有倾向的,适当的

aptitude 适应能力;才能(apt+itude表示状态→有能力的状态)

aptly 适当地(apt+ly)

adapt 使适应,适应(环境)(ad一再+apt→一再适应〔环境〕)

adaptable 有适应能力的(adapt适应+able能…的)

adaptation 适应,(书)改写本(adapt+ation→适应→适应〔各种人〕的书→改写本)

inapt 不适当的;无能的(in无+apt能力)

adept 熟练的,老练的(ad+ept→有能力→熟练的)

前缀:ad- 加在在单词或词根前, 表示"做…, 加强…"

adapt 适应(ad+apt能力→有适应能力)

adept 熟练的(ad+ept能力→有做事能力→熟练的)

adopt 收养;采纳(ad+opt选择→选出来→采纳)

adhere 坚持(ad+here粘→粘在一起→坚持)

adjacent 邻近的(ad+jacent躺→躺在一起→邻近的)

adjoin 贴近;毗连(ad+join参加→参加在一起→贴近)

administrate 管理;执行(ad+ministr部长+ate→做部长→管理)

admire 羡慕(ad+mire惊奇→惊喜;羡慕)

adumbrate 预示(ad+umbr影子+ate→[将来的]影子出现→预示)

adjust 调整(ad+just+正确→弄正确→调整)

adventure 冒险(ad+venture冒险)

admonish 告诫,警告(ad+mon警告+ish→一再警告)

advent 来临,来到(ad+vent来→来到)

后缀:-ability [名词后缀]

由-able+-ity而,构成抽象名词,表示“可...性”、“易...性”、“可...”

knowability 可知性

changeability 可变性

readability 可读性

lovability 可爱

usability 可用性,能用

dependability 可靠性

movability 可移动性

preventability 可防止

inflammability 易燃性

adaptability 可适应性

后缀:-able [形容词后缀]

表示“可...的”、“能...的”,或具有某种性质的

knowable 可知的

changeable 可变的

readable 可读的

lovable 可爱的

usable 能用的

dependable 可靠的

movable 可移动的

preventable 可防止的

inflammable 易燃的

adaptable 可适应的

词根词缀:-ability

【来源及含义】Latin: suffix; expressing ability, capacity, fitness, or "that which may be easily handled or managed"

【相关描述】Just a few examples out of hundreds of words presented as the noun forms of -able; forming nouns of quality from, or corresponding to, adjectives in -able; the quality in an agent that makes an action possible. The suffix -ible has related meanings.

【同源单词】absolute permeability, absorbability, accountability, achievability, acquirability, adaptability

词根词缀:-ably

【来源及含义】Latin: suffix; able manner, capably

【相关描述】Forming adverbs corresponding to adjectives in -able.

【同源单词】ably, acceptably, accountably, accusably, adaptably, admirably

词根词缀:ad-

【来源及含义】Latin: prefix; to, toward, a direction toward, addition to, near, at; and changes to: ac-, af-, ag-, al-, an-, ap-, aq-, ar-, as-, at- when ad- is combined with certain words that begin with the letters c, f, g, l, n, p, q, r, s, and t

【相关描述】The form ad- appears in this form before a vowel and before the consonants d, h, j, m, and v. It is simplified to a- before sc, sp and st.

Before c, f, g, l, n, p, q, r, s, and t; ad- is changed to ac-, af-, ag-, al-, an-, ap-, aq-, ar-, as-, and at-.

In other words, the d of ad usually changes into the same letter as the first letter of the following root or word when it is a consonant: ad-fix becomes affix, and ad-sign becomes assign; therefore, making a double consonant.

Another example includes: attract as with ad-tract (drawn towards); so it has a double t. On the other hand when ad- precedes a vowel, as with adapt, it is simply ad-apt, with one d. For the same reason, there is only one d in adore and adumbrate, because ad- has combined with orare and umbra each of which starts with a vowel.

So, remember: since these Latin words begin with vowels and not consonants, the d of ad does not double as shown in the previous examples.

【同源单词】a capite ad calcem, Ab ovo usque ad mala, Ab uno ad omnes, Abiit ad majores, abjure, accede

词根词缀:apt-, ept-

【来源及含义】Latin: fit, fitted, suited, suitable, appropriate; join, fasten

【同源单词】adapt, adapt, adaptability, adaptable, adaptableness, adaptably

词根词缀:eda-

【来源及含义】Greek: soil

【同源单词】edaphic, edaphology, edaphon, Edaphosaurus