Keep away from the transformer.不要靠近那个变压器.The transformer isolates the transistors with regard to d - c bias voltage .变压器可在两个晶体管之间隔离直流 偏压.A step - down transformer has a turns ratio less than 1.降压变压器 的匝数比小于1....
我从藏身的地方可以听到他捅刀子时的喘息声.From my place of ambush, I could hear him pant aloud as he struck the blows.这样的恶毒谎言简直是背地里向人捅刀子.Such a vicious lie could be nothing but stab in the back....