Oppy
abbr. opportunity 机会，时机
🗣️ 情景例句
I'm calling to ask you some questions about Susan.
我打电话是想问一些关于苏珊的事。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
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。