防弹背包 – 2 级
16-01-2025 15:00
Masada-Armour 是一家来自以色列的公司，它的团队看到了所有的校园枪击事件，并为孩子们设计了保护装置。
它设计了一种书包，里面有一件防弹背心。只需轻轻一拉，你就可以穿上防弹背心。这只需要一两秒的时间。标准防护可以挡住所有手枪子弹。额外的防护还能挡住 M16 和 AK47 等枪支的子弹。
背包仅重 3 公斤，售价 500 美元。
您可以在 Level 3 栏目中观看原始视频。
Masada-Armour 设计的防弹背包的重量和成本是多少？
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Reading
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Listening
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Writing
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