Pemf
[医][=pulsating electromagnetic field]脉冲电磁场
🗣️ 情景例句
I'll call the Staten Island Ferry lost-and-found office.
我来打电话给Staten岛渡轮的失物招领处。
Two is company, but three is none.
两人成为伴，三人不结侣。
Our climate is not very good,but it's certainly interesting.
虽然我们国家的气候并不很好，但又确实很有意思。