Cemf
abbr. 反电动势（Counter Electromotive Force）
🗣️ 情景例句
Marilyn, I'm exhausted. I can't move. Marilyn
我太累了。简直动不了。
She made a notable contribution to science.
她对科学做出了杰出的贡献。
Tell Mary we'll be late for dinner this evening.
你告诉玛丽，今晚吃饭将晚到一会儿。