Umformer
变换器, 变流机, 直流变压器
🗣️ 情景例句
We're going to go to lunch in a few minutes, honey.
我们一下子就去吃中餐， 亲爱的。
I meet the boy whose aunt is a librarist.
我遇到那个男孩的姑妈是图书管理员。
As soon as possible!
越快越好！