Upconversion
上变频; 上转换; 升频转换
🗣️ 情景例句
You're Peggy Pendleton!
是Peggy Pendleton！
Why aren't you happy?
为什么无聊呢？
It was very different from modern car races but no less exciting.
它虽然与现代汽车比赛大不相同，但激动人心的程度并不亚于现代化汽车大赛。