Vacillatory
a. vacillate的变形
✅ 同义词
🗣️ 情景例句
There are a lot of beggars on the street, how can we help them?
街上的乞丐那么多，我们怎么能帮助他们呢？
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
I'm sorry, I can't. Is it under the teacher's desk?
对不起，我没见过，是不是在老师的讲桌底下？