Fluctuating current
[电] 增减起伏电流
🧩 词语组成解析
v. 波动（fluctuate的ing形式）
🗣️ 情景例句
Mrs. Montefiore told me that
Montefiore太太告诉我
Govern your thoughts when alone, and your tongue when in company.
一人独处慎于思，与人相处慎于言。
Can't you see? Look! It has an egg in it.
你没看见吗？瞧！里面有一只蛋。