Pdm
[电] Pulse-Duration-Modulation的简写
🗣️ 情景例句
Seven after nine? No. I'm sure he's in his office.
九点零七分 ，不会太早的。我肯定他到办公室了。
Chuck went to a restaurant that serves very tasty salads.
贾克去一家有美味色拉的餐厅用餐。
The damage was caused by external forces.
损害是由外力引起的。