Upconverter
升频器; 上转换器
🗣️ 情景例句
Jazz music is performed at many dinner parties.
在很多宴会派对里都有爵士乐的演奏。
Why?
为什么？
When Mrs.Richards walked towards him, he fled, slamming the door behind him.
理查兹夫人朝他走去，只见他“砰”的一声关上门逃走了。