bound
/baʊnd/
a line determining the limits of an area
中文释义：边界；界限
The river forms the natural bound between the two countries.
这条河构成了两国之间的天然边界。
His ambition knows no bound; he always aims higher.
他的野心没有界限，总是追求更高目标。
/baʊnd/
a line determining the limits of an area
中文释义：边界；界限
The river forms the natural bound between the two countries.
这条河构成了两国之间的天然边界。
His ambition knows no bound; he always aims higher.
他的野心没有界限，总是追求更高目标。