精子的去能
参考答案：
指获能的精子若再次与精清接触而又失去受精能力的过程。
----- I tried my best.
-------Yes, but ______ .
A．the boss didn’t seem satisfied
B．the boss seemed that he was not satisfied
C．it seemed not to have satisfied
D．it looked that the boss was not satisfied
减小铁心硅钢片的厚度,能够降低变压器的空载损耗是因为薄硅钢片的磁滞损耗更小.()
