relax

vt.使放松；缓和，放宽 vi.放松；松懈

rejoice, rejoicing, rejoin, rejoinder, rejuvenate, rejuvenated, rejuvenation, rekindle, relapse, relate, relate...to, related, relatedness, relation, relationship, relative, relatively, relativism, relativistic, relativity, relaxation, relaxed, relaxing, relay, release, relegate, relegation, relent, relentless, relentlessly, relentlessness, relevance, relevant, reliability, reliable, reliably, reliance, reliant, relic, relief,