Idotron
光电管检验仪
🗣️ 情景例句
Did you get a chance to get outside at all?
有时间出门吗？
Now, shall we begin?
现在，我们开始吧。
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。