Vacillator
n. 踌躇;犹豫;动摇
🗣️ 情景例句
Hi, Frank.
嗨， Frank。
Well, I'd probably say you should think about it seriously.
哦，我可能会对你说，你应该认真考虑一下你的决定。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。