| 单词 | perimeter |
| 释义 | perimeter 1 ENTRIES FOUND: plural perimeters plural perimeters Learner's definition of PERIMETER 1 [count] a : the outside edge of an area or surface外缘；周边 — often + of
b : the total length of the lines that form a shape周长 — often + of
2 the perimeter basketball : the area on a basketball court that is not close to the basket三分线外区域
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