Postting
[电] 封装
🗣️ 情景例句
The number you are calling -- 555-8448 --
你打的电话号码555 8448
He said he knew a lot of people there.
他说他在那里认识很多人。
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。