单词 | acre |
释义 | Acre![]() A US Standard Unit of area, usually used to measure land. 1 acre = 4,840 square yards. 1 acre is about 0.4 hectares in the Metric system, or exactly 4,046.8564224 square meters. See: Hectare (ha) |
随便看 |
数学辞典收录了1200条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。