Undersieves
筛下料
🗣️ 情景例句
I'm really sorry to hear about that.
听到这个消息真让我感到难过。
An ounce of prevention is worth a pound of cure.
预防胜于治疗。
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。