insulin
词根词缀：
insular adj. 岛国的；偏狭的
insul 岛屿 + ar …的 → 岛国的；偏狭的
insulate v. 隔离；使绝缘
insul 岛屿 + ate 做，造成，使… → 像岛屿般与世隔绝 → 隔离
insulin n. 胰岛素
insul 岛屿 + in …素 → 胰岛素
peninsula n. 半岛
pen 近似 + insul 岛屿 + a → 似岛 → 半岛
数据来源：新东方英语词汇速记大全
相关例句：
With prediabetes, the subtle balance between glucose and insulin has been thrown off.
罹患糖尿病后，血糖和胰岛素之间的微妙平衡就被打破了。
Insulin is secreted by the pancreas.
胰岛素是胰腺分泌的。
Dysregulation of lipid metabolism in individual tissues leads to systemic disruption of insulin action and glucose metabolism.
个体组织中的脂代谢紊乱会导致胰岛素作用和糖代谢系统破坏。
They would provide continuous monitoring and insulin control, even while the individual was asleep.
他们会提供连续监测和胰岛素控制，即使人睡着了。
Being overweight can also cause insulin resistance.
同时，超重也会导致胰岛素抵抗力降低。
Both the insulin hormone and amyloid beta proteins are degraded by the insulin-degrading enzyme ( IDE).
胰岛素激素和β淀粉样蛋白的都通过胰岛素降解酶（IDE）降解。