a momentous decision

• 一个重要决定

a momentous decision的用法和样例：

例句

1. The president will announce a momentous decision.
   主席将宣布重要决定。
2. Another important decision was to include in the new regime emissions from deforestation and land degradation.
   另一个重要决定就是把砍伐森林和土地沙化所造成的排放量增大纳入新条例中。