Pemf
[医][=pulsating electromagnetic field]脉冲电磁场
🗣️ 情景例句
Her name's Gemma,
它叫做Gemma，
Usually,I have a big breakfast.
通常,我吃一顿丰盛的早餐。
Uncle Wang was waiting for them outside the factory gate.
王大叔在工厂大门外等他们。