reaction

n.反应；化学反应，反作用(力)；反动

re-examine, re-export, re-form, re-insert, re-laid, re-lay, re-plan, re-route, re-united, reach, reach out, reach out one's hand, reach-me-downs, reachable, react, react against, react on, react to, reactant, reacting, reactionary, reactivate, reactive, reactiveness, reactor, read, read only, read out, read over, read-out, readability, readable, readdress, reader, readership, readily, readily, readiness, readiness, reading, reading age,