Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
A construction company. Roads, bridges, big stuff.
一家建筑公司。修路， 筑桥， 都是大工程。
Why do you always bother me?
你干嘛老是找我麻烦？
She was a lively young woman with patience and imagination.
她是一个活泼的女子，具有耐心和想象力。