David Bushnell
| Noun | 1. | David Bushnell - American inventor who in 1775 designed a man-propelled submarine that was ineffectual but subsequently earned him recognition as a submarine pioneer (1742-1824) |
| 单词 | david bushnell | |||
| 释义 | David Bushnell
David Bushnell
Synonyms for David Bushnell
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