同义词： acre inch
以上来源于: WordNet
N the volume of water that would cover an area of 1 acre to a depth of 1 inch; one twelfth of an acre-foot: equivalent to 3630 cubic feet or 102.8 cubic metres 英亩英寸
The 4-inch-diameter plastic balls block sunlight from penetrating the 175-acre surface of the reservoir.
这些塑料球直径为4英寸，覆盖了水库175英亩（约71公顷）的水面，使其避免太阳光照射。
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