seismic shift

• 巨大的改变

seismic shift的用法和样例：

例句

1. He pulled her out of the fire by covering her shift.
   通过掩盖她的改变，他使她转败为胜。
2. Mastery is mastery, and it is an internal and biological shift.
   掌握就是掌握，它是一个内在和生物性的改变。