Flannelling
绒布擦坯
🗣️ 情景例句
And my phone number is 797-7963.
我的电话是797-7963。
We are happy to be of help.
我们十分乐意帮助。
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。