boundary
英['baʊnd(ə)rɪ]
美['baʊndri]
- n. 边界；范围；分界线
英英释意
- 1. the line or plane indicating the limit or extent of something
- 2. a line determining the limits of an area
- 3. the greatest possible degree of something;
- "what he did was beyond the bounds of acceptable behavior"
- "to the limit of his ability"