1.seed a jolt of意思是：产生一种.的震动.
seed作动词有播种,诞生,结籽的意思；jolt意思是震动,a jolt of就是一种.的震动.
as much as eight hundred volts of electricity :相当于八百伏电压所产生的电流
through the water in which it live：通过它生存的水环境.
2.shock意思：电击；strength：强度
the strength of shock:电击的强度
correspond to意思：相当于；中间的roughly意思：粗略地,大体上
correspond roughly to.:大体上相当于.
你应该可以理解了吧!