Vacillator
n. 踌躇;犹豫;动摇
🗣️ 情景例句
The trouble is
问题是
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？
No, not exactly. But later, peole developed a way of printing, using rocks.
不完全是这样。但后来，人们利用石头，研制了一种印刷方法。