noun🔗Share九加仑，四分之一桶 A varying measure of capacity, usually being a quarter of a barrel; specifically, a measure equal to nine imperial gallons."The homebrewer carefully measured out the hops needed for a firkin of ale, knowing it would fill nine imperial gallons. "这位自酿啤酒爱好者小心翼翼地量出酿造一夸脱桶麦芽酒所需的啤酒花，因为他知道这刚好能装满九加仑。amountunitChat with AIVocabulary GamePractice Reading
noun🔗Share小桶，小木桶 A small wooden vessel or cask of indeterminate size, used for butter, lard, etc."The farmer sold a firkin of butter at the market. "这位农夫在市场上卖了一小桶黄油。materialutensilitemfoodChat with AIVocabulary GamePractice Reading
noun🔗Share四分之一桶（容量单位）, 桶（重量单位） A weight measure for butter, equalling 56 pounds."The farmer sold a firkin of butter at the market, weighing a total of 56 pounds. "那个农夫在市场上卖了一桶黄油，总重56磅（约等于四分之一桶的量）。amountbusinesscommerceunitfoodChat with AIVocabulary GamePractice Reading
