central

US /ˈsen.trəl/
UK /ˈsen.trəl/
"central" picture
1.

中央的, 中心的

located in the middle of a place or thing

:
The park is in the central part of the city.
公园位于城市的中心部分。
The central heating system needs repair.
中央供暖系统需要维修。
2.

核心的, 主要的

of the greatest importance; principal or essential

:
The central issue of the debate was economic policy.
辩论的核心问题是经济政策。
His role in the project was absolutely central.
他在项目中的作用绝对是核心的。