同学你好，该知识点来自沪江网校《2023考研蜕变计划标准班【政英+医学专业课1对1】（全额奖学金班）》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

都可以，大体上意义差别不大，看下面例子：
in public
when other people, especially people you do not know, are present 公开地；在别人（尤指生人）面前
She doesn't like to be seen in public without her make-up on. 她不愿意未化妆就公开露面。

She doesn't know how to behave in public.  她在公共场合举止无措。
All dogs in public places should be on a lead. 所有的狗在公共场所必须拴上链子。