今日单词 |
dilemma 英 [dɪˈlemə] 美 [dɪˈlemə] |
n. 窘境，困境; 进退两难; 词根：di两个,双+lemma论点,争论→二种争论→进退两难 |
词根词缀 |
di- ① 表示"两个，双" ② 表示"使…变成，分开，离开" |
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形近词
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dioxide 英 [daɪˈɒksaɪd] 美 [daɪˈɑːksaɪd] |
n. [化]二氧化物; 词根：di两个,双+oxide氧化物→二氧化物 |
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dilate 英 [daɪˈleɪt] 美 [daɪˈleɪt] |
vt. 使扩大; 详述; 使膨胀; 扩张; vi. 扩大; 膨胀; 详述; 词根：di使…变成,分开,离开+lut冲洗+e→冲洗开→冲淡 |
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dilute 英 [daɪˈluːt] 美 [daɪˈluːt] |
vt. 稀释，冲淡; adj. 稀释的，冲淡的; 词根：di分开+lut冲洗+e→冲洗开→冲淡 |
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digest 英 [daɪˈdʒest , ˈdaɪdʒest] 美 [daɪˈdʒest , ˈdaɪdʒest] |
vt.& vi. 消化; 整理; vt. 吸收; 领悟; 玩味; vi. 消化; 吸收食物; [化学]加热; n. 文摘; 摘要; 法律汇编; 罗马法典; 词根：di使…变成,分开,离开+gest带→分开带,只带营养→消化→经过消化后的精华→文摘 |
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diminish 英 [dɪˈmɪnɪʃ] 美 [dɪˈmɪnɪʃ] |
vt. （使）减少，缩小; 减弱…的权势; [乐]减半音; vi. 变小或减少; 逐渐变细; 词根：di分开+mini小+ish表动词→变小,减少 |
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dilemma
英[dɪˈlemə] 美[dɪˈlemə]
CET4 | CET6 | 考研| IELTS | TOEFL | GRE
n. 窘境，困境;进退两难;
词根：di两个,双+lemma论点,争论→二种争论→进退两难
①(N-COUNT) （进退两难的）窘境，困境
A dilemma is a difficult situation in which you have to choose between two or more alternatives.
●He was faced with the dilemma of whether or not to return to hiscountry...
要不要回国，他进退两难。
●The issue raises a moral dilemma.
这个问题引发了一个道德上的两难抉择。
形近词：
1、dioxide
英[daɪˈɒksaɪd] 美[daɪˈɑːksaɪd]
CET4 | CET6 | 考研| TOEFL
n. [化]二氧化物;
词根：di两个,双+oxide氧化物→二氧化物
2、dilate
英[daɪˈleɪt] 美[daɪˈleɪt]
IELTS | TOEFL | GRE
vt. 使扩大;详述;使膨胀;扩张;
vi. 扩大;膨胀;详述;
词根：di使…变成,分开,离开+lut冲洗+e→冲洗开→冲淡
①(V-ERG) (使)(血管)扩张;(使)(瞳孔)放大
When things such as blood vessels or the pupils of your eyes dilate or when something dilates them, they become wider or bigger.
●At night, the pupils dilate to allow in more light...
到了晚上，瞳孔就会扩大以接收更多光线。
●Exercise dilates blood vessels on the surface of the brain.
运动会使大脑表层的血管扩张。
3、dilute
英 [daɪˈluːt] 美 [daɪˈluːt]
CET6 | 考研 | IELTS | TOEFL | GRE
vt. 稀释，冲淡;
adj. 稀释的，冲淡的;
词根：di分开+lut冲洗+e→冲洗开→冲淡
① (V-ERG) （使）稀释;（使）冲淡
If a liquid is diluted or dilutes, it is added to or mixes with water or another liquid, and becomes weaker.
● If you give your babyjuice, dilute it well with cooled, boiled water...
如果给婴儿喝果汁，要用凉开水充分稀释。
● The liquid is then diluted...
然后液体被稀释。
② (ADJ-GRADED) 稀释过的;冲淡的
A dilute liquid is very thin and weak,usually because it has had water added to it.
● ...a dilute solution ofbleach.
经稀释的漂白剂
③ (VERB) 削弱;降低;减轻
If someone or something dilutes a belief, quality, or value, they make it weaker and less effective.
● There was a clear intention to dilute black voting power...
明显有意图要削弱黑人的选举力量。
● Serious attention is being given to diluting the value of personal tax allowances.
人们正密切关注降低个人收入免税额度一事。
4、digest
英 [daɪˈdʒest , ˈdaɪdʒest] 美 [daɪˈdʒest , ˈdaɪdʒest]
CET4 | CET6 | 考研 | IELTS | TOEFL
vt.&vi. 消化; 整理;
vt. 吸收; 领悟; 玩味;
vi. 消化; 吸收食物; [化学]加热;
n. 文摘; 摘要; 法律汇编; 罗马法典;
词根：di使…变成,分开,离开+gest带→分开带,只带营养→消化→经过消化后的精华→文摘
① (V-ERG) 消化
When food digests or when you digest it, it passes through your body to yourstomach. Your stomach removes the substances that your body needs and gets rid of the rest.
● Do not undertake strenuous exercise for afew hours after a meal to allow food to digest...
饭后几个小时不要从事剧烈运动，以便食物能够消化。
● She couldn't digest food properly...
她无法正常消化食物。
② (VERB) 理解;领会;领悟
If you digest information, you thinkabout it carefully so that you understand it.
● They learn well but seem to need time todigest information...
他们学得不错，但似乎还需要一些时间来消化信息。
● She read everything, digesting everyfragment of news.
她什么都读，新闻中的任何只言片语都要一一揣摩。
③ (VERB) 慢慢接受(令人不快的消息)
If you digest some unpleasant news, you think about it until youare able to accept it and know how to deal with it.
● All this has upset me. I need time todigest it all.
所以这些都让我心烦。我需要时间来慢慢接受这一切。
5、diminish
英 [dɪˈmɪnɪʃ] 美[dɪˈmɪnɪʃ]
CET6 | 考研| IELTS | TOEFL
vt. （使）减少，缩小;减弱…的权势; [乐]减半音;
vi. 变小或减少;逐渐变细;
词根：di分开+mini小+ish表动词→变小,减少
① (V-ERG) （使）减小;（使）减弱;（使）降低
When something diminishes, or whensomething diminishes it, it becomes reduced in size, importance, or intensity.
● The threat of nuclear war hasdiminished...
核战争的威胁已经减小了。
● Federalism is intended to diminish thepower of the central state...
联邦制旨在削弱中央政府的权力。
② (VERB) 贬低;轻视
If you diminish someone or something, you talk about them or treat them in a way that makes them appear less important than they really are.
● He never put her down or diminished her...
他从未奚落或贬低过她。
● He could no longer cope; he relied on me,and felt diminished by it.
他再也无法承受，他依赖我，却因此觉得是受了轻贱。