Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
By the way,
顺便问一声，
A good example is the best sermon.
身教胜似言教。
How Harry came into the possession of this outlandish stuff makes an interesting story which he is fond of relating.
哈里如何得到这种稀奇古怪的东西的，这里有个有趣的故事，而且他挺爱把它讲给别人听。