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  2. /act
  3. /react

react

UK/ri'ækt/US
NGSL 3kTOEFLB1

Definitions

v.

To respond to something that happens

回应,作出反应

v.

(of substances) To undergo a chemical change when combined

起化学反应

Root Breakdown

Root-derived
re-again, back
+
actdo, act, drive
=react

re- (back) + act (do) = to act back. Something happens to you, and you act back at it — that's a reaction. The chemistry sense is the same image made literal: two substances act on each other and change.

Root act still carries 59 more words

Common Collocations

  • 1.react to对……作出反应
  • 2.react strongly强烈回应
  • 3.react badly反应不佳
  • 4.react with与……发生反应

Example Sentences

  • 1.

    How did she react when you told her the news?

  • 2.

    Don't react so strongly to every little criticism.

  • 3.

    Sodium reacts violently with water.

Word Forms

Verb

Pastreacted
3rd Personreacts
Past Part.reacted
Pres. Part.reacting

Derivatives

reactionreactorreactivereactantreactionary
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