Alternating polarity
[化] 交变极性
🧩 词语组成解析
a. 交互的\\n[医] 交替的
🗣️ 情景例句
No, you sound different today.
没有，今天你的声音听起来不一样。
The boss is waiting in his office for us to come and explain why we failed to finish this work on time.
老板在他的办公室里等着我们前去说明未能按期完成这个工作的理由。
Sometimes people cook this food at home, but usually they go to a fish and chip shop.
人们有时在家里做这种食品，但通常还是到炸鱼和土豆片店去买。