The perimeter is the continuous line forming the boundary of a closed geometric figure, or the length of this line.
perimeter n. "<数>周长" "周围，边界"
| 单词 | perimeter |
|---|---|
| 音标 | [pəˈrɪmɪtə(r)] [pəˈrɪmɪtɚ] |
| 释义 | n.["<数>周长","周围，边界"] |
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