域yù (在一定疆界内的地方; 疆域) land within certain boundaries; territory; region: 定义 ~ domain; 海 ~ sea area; maritime space; 绝 ~ inaccessible remote areas; 领 ~ territory; domain; field; realm; 异 ~ foreign lands ◆域标识符 realm identifier; 域论 {数} field theory; 域内 intra-area; intra-domain; 域中 inside the country |