蜷成一团 meaning in Chinese

1.(蜷成球形) hunch
2.(弯曲或蜷曲成环状或球状) round

I remember baiiing when i was reading that book
我记得我读那个故事的时候蜷成一团
The animal protects itself by rolling up into a ball , with sharp hairs pointing outwards
这动物蜷成一团。全身尖尖的毛刺竖起来保护自己。
Hurstwood , who could not get in the centre , stood with head lowered to the weather and bent his form
赫斯渥挤不进中间去，就在雪中低头站着，身子蜷成一团。
Hedgehogs have hard thorns all over their body except their stomachs , and they can roll themselves into a spiny ball when facing danger
刺猬除肚子外全身长有硬刺，当它遇到危险时会蜷成一团变成有刺的球。