Fluctuated
v. 波动, 涨落, 起伏( fluctuate的过去式和过去分词 )
🗣️ 情景例句
Does he have a middle name?
他有中间名字吗？
Yesterday was Sunday.
昨天是星期日。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。