| 单词 | bushnell, david |
| 释义 | Bushnell, DavidBushnell, David(?1742–1824) inventor, physician; born in Saybrook, Conn. After graduating from Yale (1775) he built the first American submarine, Bushnell's Turtle, which was tried unsuccessfully against British ships. He was a Continental army engineer (1779–83), spent several years in France, and returned to the U.S.A. (1795) to teach and practice medicine in Georgia. |
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