R.d.
[医] 变性反应
🗣️ 情景例句
Yes. This is Richard Stewart.
是的。我是Richard Stewart。
I wonder if it's a real diamond.
它可是地道的钻石呀。
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。