relaxation
/ˌriːlækˈseɪʃən/noun
mass noun
1
- the state of being free from tension and anxiety（精神的）松弛, 放松。
1.1
- recreation or rest, especially after a period of work（尤指工作一段时间后）消遣, 休息, 休养：
his favourite form of relaxation was reading detective novels.
他最喜欢的消遣方式是阅读侦探小说。
1.2
- the loss of tension in a part of the body, especially in a muscle when it ceases to contract（身体部位, 尤指不收缩时的肌肉的）松弛。
1.3
- the action of making a rule or restriction less strict（规则或限制的）放宽：
relaxation of censorship rules.
审查制度的放宽。
2
- Physics the restoration of equilibrium following disturbance【物理】弛豫, 重新平衡。