Upconversion
上变频; 上转换; 升频转换
🗣️ 情景例句
Well, what do you say we get back to our fishing?
你们说， 我们回去钓鱼怎样？
It's too expensive for me.
对于我来说太贵了。
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。