在黄石众间歇泉中，它的规模不算最大，喷发也不算最有规律，但喷发频率却最高。每次喷发迸射的热泉都多达3700到8400加仑（14000到32000升）。
Not the largest or the most regular of the park's geysers, Old Faithful erupts more frequently, with each blast expelling between 3, 700 to 8, 400 gallons (14, 000 to 32, 000 liters) of boiling water.
在黄石众间歇泉中，它的规模不算最大，喷发也不算最有规律，但喷发频率却最高。每次喷发迸射的热泉都多达3700到8400加仑（14000到32000升）。
Not the largest or the most regular of the park's geysers, Old Faithful erupts more frequently, with each blast expelling between 3, 700 to 8, 400 gallons (14, 000 to 32, 000 liters) of boiling water.
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