Viperinae
[医] 蝰亚科
🗣️ 情景例句
It's too crowded in the bus. I think I'll have to get off to walk the rest of the way home.
车上太挤了，我想剩下的路我必需下车走路回家。
Yes, I guess that would be all right.
行，我想没问题。
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。