Copperweld
包铜钢丝
🗣️ 情景例句
That was very kind of you.
你真周到。
What do you think will be a fair price for your product?
你认为你们产品的价格公平吗？
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。