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一、材料: 木板两块:每块长16厘米,宽8厘米,厚2.5厘米。玻璃棒两根:每根长45厘米,直径约0.8—0.9厘米。摺铁一个:宽约8厘米。毛笔一枝:桿长约7厘米。铜丝约5厘米。
First, the material: two pieces of wood: each length 16 cm, width 8 cm, 2.5 cm thick. Two glass rods: each 45 cm long and about 0.8-0.9 cm in diameter. Iron one: about 8 cm wide. Brush a: length of about 7 cm. Copper wire about 5 cm.