Pemf
[医][=pulsating electromagnetic field]脉冲电磁场
🗣️ 情景例句
Road rage is an increasing problem on today's roads.
现在飚车事件日益严重。
How long will it take for a package to get to California?
你把包裹寄到加州要多长时间?
Yes, it is.
是啊。