Upconversion
上变频; 上转换; 升频转换
🗣️ 情景例句
The way an event is portrayed in the media largely determines how it will be viewed by the public.
媒体对新闻的报道方式很大程度上决定着观众看待这件事的试。
I meet the boy whose aunt is a TV announcer.
我遇到那个男孩的姑妈是电视播音员。
'Good heavens!' exclaimed his wife.
“天啊！”他的夫人惊叫，