长10米宽10米的一块地为一公亩地
我的高中占地6公亩，在镇的北侧，靠近狗庇护所和啤酒分发部。
My high school sat on six acres on the north side of town near the dog shelter and the beer distributor.
公亩：面积的公制单位，等于100平方米119.6平方码。
A metric unit of area equal to 100 square meters (119.6 square yards).
公顷是面积的公制单位，等于一万平方米或100公亩，它也等于2.471英亩。
Hectare is a metric unit of area, equal to 10,000 square meters or 100 ares, which also equals 2.471 acres.
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