noun🔗Share孔币,穿孔银币 A coin used in the early history of Prince Edward Island and New South Wales, made by punching the middle out of a Spanish dollar; the punched-out middle part was used as a smaller coin called a dump."The museum displayed a rare holey dollar and its accompanying "dump," explaining how this unusual currency was created due to a coin shortage in early Australia. "博物馆展出了一枚罕见的“孔币”和与它配套的“币芯”,并解释了由于早期澳大利亚的硬币短缺,这种不寻常的货币是如何被制造出来的。historyeconomyfinancecommercematerialChat with AIVocabulary GamePractice Reading