Haughtonite
富铁黑云母
🗣️ 情景例句
Oh, Miss Li. This is Tom. I didn't recognize your voice.
噢，李小姐。我是汤姆。我没听出你的声音。
So far so good.
目前为止，一切都好。
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。