- You reduce something when you lessen its volume, size, or degree. That's why we say when someone goes on a diet, it's because they want to reduce; it's a polite way of suggesting they need to drop pounds and become a smaller size.
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- v. 减少，降低；陷入
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1. She tried to reduce her weight.
她设法降低她的体重。
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2. Reduce speed now.
减速行驶。
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3. Giving up smoking reduces the risk of heart disease.
戒烟会减少得心脏病的风险。
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4. Costs have been reduced by 20% over the past year.
过去一年，成本支出已经减少了 20%。
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5. The skirt was reduced to £10 in the sale.
在大减价期间，这条裙子减价到 10 英镑。
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6. a reducing plan
节食计划
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7. a beautiful building reduced to rubble
已化为残垣断壁的漂亮建筑
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8. She was reduced to tears by their criticisms.
他们的批评使她流下了眼泪。
- reduce (v.) late 14c., "bring back," from Old French reducer (14c.), from Latin reducere "lead back, bring back," figuratively "restore, replace," from re- "back" (see re-) + ducere "bring, lead," from PIE root *deuk- "to lead." Meaning "bring to an inferior condition" is 1570s; that of "bring to a lower rank" is 1640s (military reduce to ranks is from 1802); that of "subdue by force of arms" is 1610s. Sense of "to lower, diminish, lessen" is from 1787. Related: Reduced; reducing.
re·duce ★ / rɪˈdjuːs ; NAmE rɪˈduːs / verb 1 ★ [transitive ] to make sth less or smaller in size, quantity, price, etc. 减少，缩小（尺寸、数量、价格等） reducesth ◆ Reduce speed now (= on a sign). 减速行驶。 ◆ Giving up smoking reduces the risk of heart disease. 戒烟会减少得心脏病的风险。 reducesth by sth ◆ Costs have been reduced by 20% over the past year. 过去一年，成本支出已经减少了 20%。 reducesth (from sth) (to sth) ◆ The number of employees was reduced from 40 to 25. 雇员人数从 40 人减少到了 25 人。 ◆ The skirt was reduced to £10 in the sale. 在大减价期间，这条裙子减价到 10 英镑。 2 [transitive , intransitive ] reduce(sth) if you reducea liquid or a liquid reduces,you boil it so that it becomes less in quantity （使）蒸发 3 [intransitive ] ( NAmE) ( informal) to lose weight by limiting the amount and type of food that you eat 减轻体重；节食 ◆ a reducing plan 节食计划 4 [transitive ] reducesth ( chemistry 化 ) to add one or more electronsto a substance or to remove oxygenfrom a substance 使还原；去氧；脱氧 ☞compare oxidize IDIOM reˌduced ˈcircumstances the state of being poorer than you were before. People say ‘ living in reduced circumstances ’to avoid saying ‘ poor ’. （委婉说法，与 poor 同义）境况不济 PHRASAL VERBS reˈduce sb/sth (from sth) to sth/to doing sth [usually passive ] to force sb/sth into a particular state or condition, usually a worse one 使陷入（更坏的）境地；使沦落；使陷入窘境 ◆ a beautiful building reduced to rubble 已化为残垣断壁的漂亮建筑 ◆ She was reduced to tearsby their criticisms. 他们的批评使她流下了眼泪。 ◆ They were reduced to begging in the streets. 他们沦落到沿街乞讨。 reˈduce sth to sth to change sth to a more general or more simple form 将…概括成（或简化为） ◆ We can reduce the problem to two main issues. 我们可以将这个问题概括成两个要点。 reduce reduces reduced reducing re·duce / rɪˈdjuːs ; NAmE rɪˈduːs /
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