Zhè / jiàn / gǔ / dài / bīng / qì / kàn / qǐ / lái / hěn / xiàng / yòng / zhè / shù / zhì / chéng / de / zhè / dàn这件古代兵器看起来很像用柘树制成的柘弹。This ancient weapon looks like a slingshot made from the 柘 tree.