- (相交的地方; 划分的界限) boundary:
the boundary of a country; national boundary;
国界
The boundary between Shanxi and Shaanxi is the Huanghe River.
山西和陕西以黄河为界。
- (一定的范围) scope; extent:
external world;
外界
field of vision
眼界
- (按职业、工作或性别等分成的范围) circles; world:
all sections of the people; people of all walks of life;
各界人士
world [circles] of literature and art;
文艺界
- (大自然中动物、植物、矿物等的最大的类别)primary division; kingdom:
the animal [vegetable, mineral] kingdom
动[植,矿] 物界
- {地质}(地层系统分类的最高一级,相当于地质年代中的代) group:
the Paleozoic group
古生界
- {数} bound:
upper [lower] bound
上[下]界