| 单词 | jackstone |
| 释义 | jackstone in British English (ˈdʒækˌstəʊn) noun another name for jack1 (sense 13) jackstone in American English (ˈdʒækˌstoʊn) noun 1. jack (sense 13) jack (sense 13c) 2. [pl., with sing. v.] jack noun Word origin < dial. checkstone, chackstone < check, chuck, pebble |
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