Flysheets
n. 传单；小册子
🗣️ 情景例句
It's so calming.
好宁谧 。
If you run after two heares, you will catch neither.
两头落空。
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。