A boundary is the dividing line between separate fields.
(bound form) realm
中范围;领域;某个行业或社会的人群fànwéi;lǐngyù;mǒu ge hángyè huò shèhuì de rénqún
This world is very beautiful.
(bound form) boundary; border
中分隔两边的线或范围fēngé liǎngbiān de xiàn huò fànwéi
This country has many borders.
(bound form) realm
中范围;领域;某个行业或社会的人群fànwéi;lǐngyù;mǒu ge hángyè huò shèhuì de rénqún
This world is very beautiful.
(bound form) boundary; border
中分隔两边的线或范围fēngé liǎngbiān de xiàn huò fànwéi
This country has many borders.