Vacillatory
a. vacillate的变形
✅ 同义词
🗣️ 情景例句
Keep right.
保持右方向。
What's your nationality?I'm a native Australian.
我是土生土长的澳大利亚人，你的国籍是什么？
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。