acre

acre — noun

1. a standard unit for measuring land area, used especially in Britain and the US,

1.名詞C2
釋義

a standard unit for measuring land area, used especially in Britain and the US, equal to about 4,047 square metres.

例句

The farmer bought ten acres beside the river for apple trees.

number + acres for total land area

Our school rents two acres behind the gym for sports day.

同義詞
  • hectare

    a metric land unit; one hectare is much larger than one acre

  • square metre

    a much smaller metric unit used for exact measurement

  • square yard

    a smaller traditional unit; 4,840 square yards equal one acre

文法句型

one acre

ten acres

half an acre

an acre of land

per acre

用法筆記

Usually used for outdoor land such as farms, fields, parks, or building sites, not for rooms inside a building. After numbers above one, use the plural 'acres'; after 'half', the usual pattern is 'half an acre'.

常見錯誤

❌The farm is 20 acre big.
✅The farm is 20 acres big.
💡use the plural form after numbers above one.
❌The garden covers half acre.
✅The garden covers half an acre.
💡the usual pattern is 'half an acre', with the article.