Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
What's her name?
她叫什么名字？
Excuse me for bothering you.
打扰了！
'Cats behave like well-trained paratroopers.' a doctor said.
“猫就像训练有素的跳伞队员，” 一位医生说。