a long pole that supports a tent and keeps it upright (= standing up):
a tent-pole event, movie, etc. is one that is expected to make a lot of money, and also to help persuade people to spend money on products connected with it:
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。