Umformer
变换器, 变流机, 直流变压器
🗣️ 情景例句
I agree although I still have some reservations.
我基本上同意，但仍有所保留。
Could you lend me ten dollars?I left my wallet at home.
你能借给我10美元?我把钱包留在家了。
Yes, it's beautiful, isn't it?
是的，今天的天气真好！