| 词汇 | ostrich stomach |
| 词源 | ostrich stomach. Ostrich stomach was the name for vitriol in medieval alchemy, because people believed at the time that the ostrich had vitriolic stomach juices that digested all the many things it was thought to swallow. The ostrich was considered a monstrous bird that could eat anything, often so insatiable that it plucked the iron shoes off horses. In heraldry it was repre- sented chewing a horseshoe. |
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