Tra từ David Bushnell - Từ điển Oxford Learners Wordfinder Dictionary

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Từ điển Oxford Learners Wordfinder Dictionary

David Bushnell

noun

American inventor who in 1775 designed a man-propelled submarine that was ineffectual but subsequently earned him recognition as a submarine pioneer (1742-1824)
• Syn:
Bushnell, Father of the Submarine
• Instance Hypernyms:
inventor, discoverer, artificer