Elconite
埃尔科涅特钨铜合金
🗣️ 情景例句
Not yet.
还没有。
Lack of knowledge is darker than night.
没有知识比黑夜还要黑。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。