accumulator

An accumulator links multiple wagers so that winnings roll forward only if all succeed.累计串关将多个下注链接起来，只有当所有下注都成功时，赢利才会向前滚动。

The glossary notes that an accumulator offers large potential returns but a low success rate.词汇表指出，累计串关提供了巨大的潜在回报，但成功率较低。