HISTORY: Science & Technology﹕Steamboat
文章日期:2012年5月24日

【明報專訊】The term "steamboat (汽船)" applies to any watercraft propelled (推進) by steam (蒸汽), but more narrowly refers to a shallow-draft paddle (槳) wheel steamboat widely used on rivers in the 19th century, and particularly on the Mississippi River and its principal tributaries(支流) in the United States.

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