Alternating e.m.f.
[电] 交变电势
🧩 词语组成解析
a. 交互的\\n[医] 交替的
[医] 电动势, 红细胞成熟因子
🗣️ 情景例句
Is this five-two-one double eight six-four?
这里是521-8864吗？
Who is this?I don't recognize your voice.
你是谁？我听不出你的声音。
My shoe has been pressing against my foot, so it hurts a bit.
我的鞋一直挤着脚，所以脚有点疼。