Pemf
[医][=pulsating electromagnetic field]脉冲电磁场
🗣️ 情景例句
You bet.
没错。
Never swap (or swop) horses while crossing the stream.
骑渡中流莫换马。（指危难时不宜做大变动）
Many people complain that computers are taking over their jobs.
许多人抱怨说计算机正在接管人的工作。