你知道四则混合运算指的是哪四则简介：Thinking back, it was really risky for him to combine spiritual power with a simple siphon. If anything failed to meet expectations, the plan would collapse, which would make matters worse for the palace.
Thinking back, it was really risky for him to combine spiritual power with a simple siphon. If anything failed to meet expectations, the plan would collapse, which would make matters worse for the palace.
