The normal storage volume is approximately 32,000 acre feet.
正常的存储容量大约是32000英亩英尺。
Currently, the Tucson region USES about 350,000 acre-feet of water per year.
目前,图森地区每年要用掉大约350,000英亩-英尺的水。
In one year, an acre (43560 square feet) of trees can absorb the same amount of carbon that a car produces traveling 26000 miles.
一英亩(四万三千五百六十平方英尺)的树一年内可以吸收一部汽车行驶两万六千英里路产生的碳量。
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