Umformer
变换器, 变流机, 直流变压器
🗣️ 情景例句
Everybody in Riverdale reads his paper.
Riverdale的每个人都看他的报纸。
Two sparrows on one ear of corn make an ill agreement.
一穗两雀争，意见乱纷纷。
Come in, please!
请进！