Varitran
自耦变压器
🗣️ 情景例句
I promise not to think about the city.
我保证不再去想城里的事。
Will you please measure this window to see how wide it is?
请您测量这扇窗户看它有多宽？
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。