Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
That's great. I'll come back right after the formalities.
那太好了。手续办完后我就回来。
Half a loaf is better than no bread.
半片面包总比没有好；有胜于无。
As the cry was repeated several times, she ran to tell the manager who promptly rang up the fire brigade.
由于这种喊叫声重复了几次，她跑去报告经理，经理当即给消防队挂了电话。