Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
But I'm not so sure that I want to leave New York,
但我不能确定我真想离开纽约，
Poor men's words have little weight.
人微言轻。
We're having trouble meeting your shipping schedule.
要如期出货，我们有问题。