Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
When can I do that? I'd be happy to.
我什么时候可以去看 我很乐意做这项工作。
To convert defeat into victoty.
反败为胜。
I've travelled many miles and I'm very glad I made the effort.
我远道而来，但是我很高兴没有白跑。