Pemf
[医][=pulsating electromagnetic field]脉冲电磁场
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
May I take your message?
你需要留言吗？
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，