Upconversion
上变频; 上转换; 升频转换
🗣️ 情景例句
and bring your friends along.
请带你的朋友们进来。
A blind man will not thank you for a looking-glass.
秋波送盲，白费痴情。
Yes, of course I'm sure. I would love to look after her. Glad to help! What do I have to do?
当然不会，我敢肯定。我喜欢照料它。我很高兴能帮忙！我需要做些什么？