Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
I'm here to see Mr. Carlson.
我来见Carlson先生。
You'll know our products better after this visit.
参观后您会对我们的产品有更深的了解。
Oh, I usually come on foot.
噢，我常步行来。