Definition: a unit for measuring area, equal to 4047 square meters or 4840 square yards Level: C2
她在德克萨斯州拥有50英亩农田。
She owns 50 ___acres of farmland in Texas.
这个农场今年目标是每英亩种植500棵树。
The farm aims to plant 500 trees per ___acre this year.
这个国家公园覆盖了1000多英亩的荒野。
The national park covers over 1000 ___acres of wilderness.
