So, we're using one kite in 15 mile per hour winds to lift up a three and half ton block, " said Caltech student Emilio Castano."
科技大学生艾米利奥-加斯塔诺说：“我们要用一只风筝在风速为每小时15英里的情况下抬起3吨半重的石块。”
French customs official Sebastien Tiran said France seizes at least a half-ton of ivory per year.
法国海关官员塞巴斯蒂安安·蒂兰说，法国每年缴获至少半吨的象牙。
French customs official Sebastien Tiran said France seizes at least a half-ton of ivory per year.
法国海关官员塞巴斯蒂安安·蒂兰说，法国每年缴获至少半吨的象牙。
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