inner core

例句：

1. 1. The innercore of the earth is made up ofrocks and minerals.
   地球的内核由岩石和矿物组成。
2. 2. The company's corevalues are integrity and customer satisfaction.
   公司的核心价值观是诚信和客户满意。
3. 3. The innercore of the planet is composed of molten rock.
   行星的核心是由熔融的岩石组成的。