源自 cow + pat。
cowpat (複數 cowpats)
- 牛糞
1979, Jack M. Hollander, Melvin K. Simmons, David O. Wood, Annual Review of Energy[1], →ISBN:Unfortunately, every cowpat that is burned as cooking fuel means that no nitrogen is available for use as fertilizer.- 不幸的是,每一塊在做飯時被當做燃料燒掉的牛糞,都意味着沒有氮可用作肥料。