| 单词 | martingale |
| 释义 | martingale n. 1. a strap, or set of straps, fastened at one end to the noseband of a horse and at the other end to the girth, to prevent rearing etc. 2. Naut. a rope for holding down the jib-boom. 3. a gambling system of continually doubling the stakes in the hope of an eventual win that must yield a net profit. Etymology: F, of uncert. orig. |
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