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2026英语单词在线查_免费看外语词汇翻译-单词机
perimeter
perimeter英英释意
perimeter
英 [pə'rɪmɪtə] 美[pə'rɪmɪtɚ]
英英释义
实用场景例句
n. 周长;周界;[眼科] 视野计
英英释意
1. the boundary line or the area immediately inside the boundary
2. a line enclosing a plane areas
3. the size of something as given by the distance around it