1. 词根词缀思维导图－act2
2. en+act
   1. enact
   2. enactment
3. ex+act
   1. exact
   2. exacting
   3. exaction
   4. exactitude
   5. exactly
4. in+act
   1. inaction
   2. inactive
   3. interact
5. re+act
   1. react
   2. reactor
6. trans+act
   1. transaction
   2. transact
7. ag=act
   1. agency
   2. agent
   3. agile
   4. agility
   5. agitation
   6. agitator
   7. agony
8. ig&gi=act
   1. cogent
   2. cogitable
   3. cogitate
   4. exigent
   5. prodigal