(每日一词) homeostasis

Homeostasis  /ˌhoʊ.mi.oʊˈsteɪ.sɪs/ n. 体内动态平衡（机体、活细胞、组织等，在其外部环境变化的情况下，保持内部不变或平衡状态的能力或趋向）

Meaning: the ability or tendency of a living organism, cell, or group to keep the conditions inside it the same despite any changes in the conditions around it, or this state of internal balance

前缀: home- 相同

词根: sta- 稳定stand 

后缀: -sis 名词后缀, analysis 分析, diagnosis 诊断

e.g. The human body maintains homeostasis through various physiological processes, such as regulating blood sugar levels and body temperature. 人体通过各种生理过程维持体内动态平衡，比如调节血糖水平和体温。