Upconversion
上变频; 上转换; 升频转换
🗣️ 情景例句
I guess we were thinking the same thought.
我想我们的心意相同。
I invited him to come back, but he wouldn't.
我请他回来，但是他不肯。
He is capable of any crime.
他什么样的坏事都能干得出来。