The noun 'perimeter' refers to the continuous line forming the boundary of a closed geometric figure, or the outer boundary of an area.
名词'perimeter'是周长、周界，或（视力检查）视野计。
| 单词 | perimeter |
|---|---|
| 发音 | [pə'rɪmɪtə] |
| 释义 | n. 周长；周界；视野计 |
| 词序 | 6692 |
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