| 单词 | 液体测量 |
| 释义 | 〔jar〕Middle English jarre [a liquid measure] 中古英语 jarre [一种液体测量] 〔barrel〕Abbr. bar.,bbl,bbl.,bl.Any of various units of volume or capacity. In the U.S. Customary System it varies, as a liquid measure, from 31 to 42 gallons (120 to 159 liters) as established by law or usage. See table at measurement 缩写 bar.,bbl,bbl.,bl.一桶液量之单位：许多体积或容量单位的任一个。在美国惯用系统中，它作为液体测量单位，数值在被法规或惯用法确立的数值31加仑到42加仑（120到159升）之间变动 参见 measurement |
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