The Indians used special knives called "boucans" The pirates began to sail the Caribbean Sea and used the boucan knife as a weapon.
印第安人使用一种叫“boucans”的特殊刀具。
The books pictured: "Modern combat knives", "Encyclopaedia: Special mission units of the world", "Key solutions: George Bush".
书名从左到右依次为：“当代战刀”，“百科全书：国际使命”，“关键人物：乔治·布什”。
Wear resistance of cake cutting knives using a special abrasion-proof material.
蛋糕切口刀子耐磨性使用特别磨蚀证明材料。
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