Fluctuating
v. 波动（fluctuate的ing形式）
✅ 同义词
🔴 反义词
🗣️ 情景例句
When was it built?
它是什么时候建造的？
But Li Ming has promised to come home for the summer vacations.
但是李明已经答应暑假回家。
We could have a walk around. Let's go out at about six o'clock, shall we?
我们可以四处走走。咱们大约6点出发，行吗？